25052506 has 8 divisors (see below), whose sum is σ = 38139840. Its totient is φ = 12339228.

The previous prime is 25052483. The next prime is 25052513. The reversal of 25052506 is 60525052.

It is a sphenic number, since it is the product of 3 distinct primes.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 93346 + ... + 93613.

It is an arithmetic number, because the mean of its divisors is an integer number (4767480).

Almost surely, 2^25052506 is an apocalyptic number.

25052506 is a deficient number, since it is larger than the sum of its proper divisors (13087334).

25052506 is a wasteful number, since it uses less digits than its factorization.

25052506 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 187028.

The product of its (nonzero) digits is 3000, while the sum is 25.

The square root of 25052506 is about 5005.2478460112. The cubic root of 25052506 is about 292.6063353125.

Adding to 25052506 its reverse (60525052), we get a palindrome (85577558).

The spelling of 25052506 in words is "twenty-five million, fifty-two thousand, five hundred six".