25715293 has 2 divisors, whose sum is σ = 25715294. Its totient is φ = 25715292.

The previous prime is 25715279. The next prime is 25715317. The reversal of 25715293 is 39251752.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 25674489 + 40804 = 5067^2 + 202^2 .

It is a cyclic number.

It is not a de Polignac number, because 25715293 - 2²¹ = 23618141 is a prime.

It is a super-2 number, since 2×25715293² = 1322552588151698, which contains 22 as substring.

It is equal to p_1607794 and since 25715293 and 1607794 have the same sum of digits, it is a Honaker prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (25715243) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 12857646 + 12857647.

It is an arithmetic number, because the mean of its divisors is an integer number (12857647).

Almost surely, 2^25715293 is an apocalyptic number.

It is an amenable number.

25715293 is a deficient number, since it is larger than the sum of its proper divisors (1).

25715293 is an equidigital number, since it uses as much as digits as its factorization.

25715293 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 18900, while the sum is 34.

The square root of 25715293 is about 5071.0248471093. The cubic root of 25715293 is about 295.1642980217.

The spelling of 25715293 in words is "twenty-five million, seven hundred fifteen thousand, two hundred ninety-three".