25524479 has 2 divisors, whose sum is σ = 25524480. Its totient is φ = 25524478.

The previous prime is 25524461. The next prime is 25524481. The reversal of 25524479 is 97442552.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 25524479 - 2¹⁶ = 25458943 is a prime.

Together with 25524481, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (25524419) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 12762239 + 12762240.

It is an arithmetic number, because the mean of its divisors is an integer number (12762240).

Almost surely, 2^25524479 is an apocalyptic number.

25524479 is a deficient number, since it is larger than the sum of its proper divisors (1).

25524479 is an equidigital number, since it uses as much as digits as its factorization.

25524479 is an evil number, because the sum of its binary digits is even.

The product of its digits is 100800, while the sum is 38.

The square root of 25524479 is about 5052.1756699466. The cubic root of 25524479 is about 294.4324201200.

The spelling of 25524479 in words is "twenty-five million, five hundred twenty-four thousand, four hundred seventy-nine".