25530502 has 4 divisors (see below), whose sum is σ = 38295756. Its totient is φ = 12765250.

The previous prime is 25530493. The next prime is 25530511. The reversal of 25530502 is 20503552.

It is a semiprime because it is the product of two primes.

It is an interprime number because it is at equal distance from previous prime (25530493) and next prime (25530511).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6382624 + ... + 6382627.

It is an arithmetic number, because the mean of its divisors is an integer number (9573939).

Almost surely, 2^25530502 is an apocalyptic number.

25530502 is a deficient number, since it is larger than the sum of its proper divisors (12765254).

25530502 is a wasteful number, since it uses less digits than its factorization.

25530502 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12765253.

The product of its (nonzero) digits is 1500, while the sum is 22.

The square root of 25530502 is about 5052.7717146137. The cubic root of 25530502 is about 294.4555773278.

The spelling of 25530502 in words is "twenty-five million, five hundred thirty thousand, five hundred two".