25022525001 has 4 divisors (see below), whose sum is σ = 33363366672. Its totient is φ = 16681683332.

The previous prime is 25022524999. The next prime is 25022525051. The reversal of 25022525001 is 10052522052.

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 25022525001 - 2¹ = 25022524999 is a prime.

It is a super-2 number, since 2×25022525001² (a number of 22 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (25022525051) 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, 4170420831 + ... + 4170420836.

It is an arithmetic number, because the mean of its divisors is an integer number (8340841668).

Almost surely, 2^25022525001 is an apocalyptic number.

It is an amenable number.

25022525001 is a deficient number, since it is larger than the sum of its proper divisors (8340841671).

25022525001 is an equidigital number, since it uses as much as digits as its factorization.

25022525001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8340841670.

The product of its (nonzero) digits is 2000, while the sum is 24.

The spelling of 25022525001 in words is "twenty-five billion, twenty-two million, five hundred twenty-five thousand, one".