25069497 has 4 divisors (see below), whose sum is σ = 33426000. Its totient is φ = 16712996.

The previous prime is 25069489. The next prime is 25069501. The reversal of 25069497 is 79496052.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 25069497 - 2³ = 25069489 is a prime.

It is not an unprimeable number, because it can be changed into a prime (25069897) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4178247 + ... + 4178252.

It is an arithmetic number, because the mean of its divisors is an integer number (8356500).

Almost surely, 2^25069497 is an apocalyptic number.

It is an amenable number.

25069497 is a deficient number, since it is larger than the sum of its proper divisors (8356503).

25069497 is an equidigital number, since it uses as much as digits as its factorization.

25069497 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8356502.

The product of its (nonzero) digits is 136080, while the sum is 42.

The square root of 25069497 is about 5006.9448768685. The cubic root of 25069497 is about 292.6724704223.

The spelling of 25069497 in words is "twenty-five million, sixty-nine thousand, four hundred ninety-seven".