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25001940233 is a prime number
BaseRepresentation
bin10111010010001110…
…110101010100001001
32101112102120011022102
4113102032311110021
5402200444041413
615252530203145
71543366662014
oct272216652411
971472504272
1025001940233
11a66aa41826
124a191234b5
132485a6569a
1412d273037b
159b4e57458
hex5d23b5509

25001940233 has 2 divisors, whose sum is σ = 25001940234. Its totient is φ = 25001940232.

The previous prime is 25001940221. The next prime is 25001940269. The reversal of 25001940233 is 33204910052.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 16903380169 + 8098560064 = 130013^2 + 89992^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-25001940233 is a prime.

It is a super-3 number, since 3×250019402333 (a number of 32 digits) contains 333 as substring.

It is a Sophie Germain prime.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 25001940196 and 25001940205.

It is not a weakly prime, because it can be changed into another prime (25001940283) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 12500970116 + 12500970117.

It is an arithmetic number, because the mean of its divisors is an integer number (12500970117).

Almost surely, 225001940233 is an apocalyptic number.

It is an amenable number.

25001940233 is a deficient number, since it is larger than the sum of its proper divisors (1).

25001940233 is an equidigital number, since it uses as much as digits as its factorization.

25001940233 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 6480, while the sum is 29.

The spelling of 25001940233 in words is "twenty-five billion, one million, nine hundred forty thousand, two hundred thirty-three".