25002525001 has 4 divisors (see below), whose sum is σ = 25018182532. Its totient is φ = 24986867472.

The previous prime is 25002524993. The next prime is 25002525007. The reversal of 25002525001 is 10052520052.

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

It can be written as a sum of positive squares in 2 ways, for example, as 12968654400 + 12033870601 = 113880^2 + 109699^2 .

It is a cyclic number.

It is not a de Polignac number, because 25002525001 - 2³ = 25002524993 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (25002525007) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7826370 + ... + 7829563.

It is an arithmetic number, because the mean of its divisors is an integer number (6254545633).

Almost surely, 2^25002525001 is an apocalyptic number.

It is an amenable number.

25002525001 is a deficient number, since it is larger than the sum of its proper divisors (15657531).

25002525001 is a wasteful number, since it uses less digits than its factorization.

25002525001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15657530.

The product of its (nonzero) digits is 1000, while the sum is 22.

The spelling of 25002525001 in words is "twenty-five billion, two million, five hundred twenty-five thousand, one".