25069523 has 2 divisors, whose sum is σ = 25069524. Its totient is φ = 25069522.

The previous prime is 25069507. The next prime is 25069537. The reversal of 25069523 is 32596052.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 25069523 - 2⁴ = 25069507 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 25069523.

It is not a weakly prime, because it can be changed into another prime (25069123) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 12534761 + 12534762.

It is an arithmetic number, because the mean of its divisors is an integer number (12534762).

Almost surely, 2^25069523 is an apocalyptic number.

25069523 is a deficient number, since it is larger than the sum of its proper divisors (1).

25069523 is an equidigital number, since it uses as much as digits as its factorization.

25069523 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 16200, while the sum is 32.

The square root of 25069523 is about 5006.9474732615. The cubic root of 25069523 is about 292.6725716008.

The spelling of 25069523 in words is "twenty-five million, sixty-nine thousand, five hundred twenty-three".