25625351 has 2 divisors, whose sum is σ = 25625352. Its totient is φ = 25625350.

The previous prime is 25625339. The next prime is 25625371. The reversal of 25625351 is 15352652.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 25625351 - 2¹⁸ = 25363207 is a prime.

It is a super-2 number, since 2×25625351² = 1313317227746402, which contains 22 as substring.

It is a Chen prime.

It is a zygodrome in base 2.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (25625311) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 12812675 + 12812676.

It is an arithmetic number, because the mean of its divisors is an integer number (12812676).

Almost surely, 2^25625351 is an apocalyptic number.

25625351 is a deficient number, since it is larger than the sum of its proper divisors (1).

25625351 is an equidigital number, since it uses as much as digits as its factorization.

25625351 is an evil number, because the sum of its binary digits is even.

The product of its digits is 9000, while the sum is 29.

The square root of 25625351 is about 5062.1488520193. The cubic root of 25625351 is about 294.8197730902.

The spelling of 25625351 in words is "twenty-five million, six hundred twenty-five thousand, three hundred fifty-one".