25764527 has 2 divisors, whose sum is σ = 25764528. Its totient is φ = 25764526.

The previous prime is 25764493. The next prime is 25764539. The reversal of 25764527 is 72546752.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 25764527 - 2¹² = 25760431 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (25764127) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 12882263 + 12882264.

It is an arithmetic number, because the mean of its divisors is an integer number (12882264).

Almost surely, 2^25764527 is an apocalyptic number.

25764527 is a deficient number, since it is larger than the sum of its proper divisors (1).

25764527 is an equidigital number, since it uses as much as digits as its factorization.

25764527 is an evil number, because the sum of its binary digits is even.

The product of its digits is 117600, while the sum is 38.

The square root of 25764527 is about 5075.8769685642. The cubic root of 25764527 is about 295.3525498737.

The spelling of 25764527 in words is "twenty-five million, seven hundred sixty-four thousand, five hundred twenty-seven".