25097311 has 2 divisors, whose sum is σ = 25097312. Its totient is φ = 25097310.

The previous prime is 25097299. The next prime is 25097323. The reversal of 25097311 is 11379052.

It is a balanced prime because it is at equal distance from previous prime (25097299) and next prime (25097323).

It is a cyclic number.

It is not a de Polignac number, because 25097311 - 2¹⁷ = 24966239 is a prime.

It is a Chen prime.

It is equal to p_1571653 and since 25097311 and 1571653 have the same sum of digits, it is a Honaker prime.

It is a self number, because there is not a number n which added to its sum of digits gives 25097311.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (25097341) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 12548655 + 12548656.

It is an arithmetic number, because the mean of its divisors is an integer number (12548656).

Almost surely, 2^25097311 is an apocalyptic number.

25097311 is a deficient number, since it is larger than the sum of its proper divisors (1).

25097311 is an equidigital number, since it uses as much as digits as its factorization.

25097311 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1890, while the sum is 28.

The square root of 25097311 is about 5009.7216489542. The cubic root of 25097311 is about 292.7806680915.

The spelling of 25097311 in words is "twenty-five million, ninety-seven thousand, three hundred eleven".