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25000030553 is a prime number
BaseRepresentation
bin10111010010000111…
…100011000101011001
32101112021222010201112
4113102013203011121
5402200001434203
615252421230105
71543344516311
oct272207430531
971467863645
1025000030553
11a669957a83
124a18562335
1324855473b4
1412d2394441
159b4bcb6d8
hex5d21e3159

25000030553 has 2 divisors, whose sum is σ = 25000030554. Its totient is φ = 25000030552.

The previous prime is 25000030543. The next prime is 25000030589. The reversal of 25000030553 is 35503000052.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 22324244569 + 2675785984 = 149413^2 + 51728^2 .

It is a cyclic number.

It is not a de Polignac number, because 25000030553 - 234 = 7820161369 is a prime.

It is not a weakly prime, because it can be changed into another prime (25000030513) 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, 12500015276 + 12500015277.

It is an arithmetic number, because the mean of its divisors is an integer number (12500015277).

Almost surely, 225000030553 is an apocalyptic number.

It is an amenable number.

25000030553 is a deficient number, since it is larger than the sum of its proper divisors (1).

25000030553 is an equidigital number, since it uses as much as digits as its factorization.

25000030553 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2250, while the sum is 23.

The spelling of 25000030553 in words is "twenty-five billion, thirty thousand, five hundred fifty-three".