25339453 has 2 divisors, whose sum is σ = 25339454. Its totient is φ = 25339452.

The previous prime is 25339393. The next prime is 25339471. The reversal of 25339453 is 35493352.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 23833924 + 1505529 = 4882^2 + 1227^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-25339453 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (25339253) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 12669726 + 12669727.

It is an arithmetic number, because the mean of its divisors is an integer number (12669727).

Almost surely, 2^25339453 is an apocalyptic number.

It is an amenable number.

25339453 is a deficient number, since it is larger than the sum of its proper divisors (1).

25339453 is an equidigital number, since it uses as much as digits as its factorization.

25339453 is an evil number, because the sum of its binary digits is even.

The product of its digits is 48600, while the sum is 34.

The square root of 25339453 is about 5033.8308473766. The cubic root of 25339453 is about 293.7192508631.

The spelling of 25339453 in words is "twenty-five million, three hundred thirty-nine thousand, four hundred fifty-three".