25525030507 has 4 divisors (see below), whose sum is σ = 25708663960. Its totient is φ = 25341397056.

The previous prime is 25525030469. The next prime is 25525030529. The reversal of 25525030507 is 70503052552.

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

It is a cyclic number.

It is not a de Polignac number, because 25525030507 - 2¹⁵ = 25524997739 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (25525030577) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 91816518 + ... + 91816795.

It is an arithmetic number, because the mean of its divisors is an integer number (6427165990).

Almost surely, 2^25525030507 is an apocalyptic number.

25525030507 is a deficient number, since it is larger than the sum of its proper divisors (183633453).

25525030507 is a wasteful number, since it uses less digits than its factorization.

25525030507 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 183633452.

The product of its (nonzero) digits is 52500, while the sum is 34.

The spelling of 25525030507 in words is "twenty-five billion, five hundred twenty-five million, thirty thousand, five hundred seven".