25574651 has 2 divisors, whose sum is σ = 25574652. Its totient is φ = 25574650.

The previous prime is 25574639. The next prime is 25574657. The reversal of 25574651 is 15647552.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 25574651 - 2⁶ = 25574587 is a prime.

It is not a weakly prime, because it can be changed into another prime (25574657) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 12787325 + 12787326.

It is an arithmetic number, because the mean of its divisors is an integer number (12787326).

Almost surely, 2^25574651 is an apocalyptic number.

25574651 is a deficient number, since it is larger than the sum of its proper divisors (1).

25574651 is an equidigital number, since it uses as much as digits as its factorization.

25574651 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 42000, while the sum is 35.

The square root of 25574651 is about 5057.1386178352. The cubic root of 25574651 is about 294.6252101464.

The spelling of 25574651 in words is "twenty-five million, five hundred seventy-four thousand, six hundred fifty-one".