25630351 has 2 divisors, whose sum is σ = 25630352. Its totient is φ = 25630350.

The previous prime is 25630337. The next prime is 25630357. The reversal of 25630351 is 15303652.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 25630351 - 2¹¹ = 25628303 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (25630357) 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, 12815175 + 12815176.

It is an arithmetic number, because the mean of its divisors is an integer number (12815176).

Almost surely, 2^25630351 is an apocalyptic number.

25630351 is a deficient number, since it is larger than the sum of its proper divisors (1).

25630351 is an equidigital number, since it uses as much as digits as its factorization.

25630351 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2700, while the sum is 25.

The square root of 25630351 is about 5062.6426893471. The cubic root of 25630351 is about 294.8389468503.

The spelling of 25630351 in words is "twenty-five million, six hundred thirty thousand, three hundred fifty-one".