25238477527 has 2 divisors, whose sum is σ = 25238477528. Its totient is φ = 25238477526.

The previous prime is 25238477489. The next prime is 25238477549. The reversal of 25238477527 is 72577483252.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 25238477527 - 2⁷ = 25238477399 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (25238477557) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 12619238763 + 12619238764.

It is an arithmetic number, because the mean of its divisors is an integer number (12619238764).

Almost surely, 2^25238477527 is an apocalyptic number.

25238477527 is a deficient number, since it is larger than the sum of its proper divisors (1).

25238477527 is an equidigital number, since it uses as much as digits as its factorization.

25238477527 is an evil number, because the sum of its binary digits is even.

The product of its digits is 6585600, while the sum is 52.

The spelling of 25238477527 in words is "twenty-five billion, two hundred thirty-eight million, four hundred seventy-seven thousand, five hundred twenty-seven".