Search a number
-
+
25705333 is a prime number
BaseRepresentation
bin110001000001…
…1101101110101
31210100222002101
41202003231311
523040032313
62314542101
7431330443
oct142035565
953328071
1025705333
1113567885
128737931
135430274
1435b1b93
1523cb5dd
hex1883b75

25705333 has 2 divisors, whose sum is σ = 25705334. Its totient is φ = 25705332.

The previous prime is 25705313. The next prime is 25705369. The reversal of 25705333 is 33350752.

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., 13823524 + 11881809 = 3718^2 + 3447^2 .

It is a cyclic number.

It is not a de Polignac number, because 25705333 - 29 = 25704821 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (25705313) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 12852666 + 12852667.

It is an arithmetic number, because the mean of its divisors is an integer number (12852667).

Almost surely, 225705333 is an apocalyptic number.

It is an amenable number.

25705333 is a deficient number, since it is larger than the sum of its proper divisors (1).

25705333 is an equidigital number, since it uses as much as digits as its factorization.

25705333 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 9450, while the sum is 28.

The square root of 25705333 is about 5070.0427019898. The cubic root of 25705333 is about 295.1261856030.

The spelling of 25705333 in words is "twenty-five million, seven hundred five thousand, three hundred thirty-three".