2525459873 has 4 divisors (see below), whose sum is σ = 2538682368. Its totient is φ = 2512237380.

The previous prime is 2525459863. The next prime is 2525459887. The reversal of 2525459873 is 3789545252.

It is a happy number.

2525459873 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 2525459873 - 2²⁰ = 2524411297 is a prime.

It is a super-2 number, since 2×2525459873² = 12755895140266352258, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2525459863) 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, 6610961 + ... + 6611342.

It is an arithmetic number, because the mean of its divisors is an integer number (634670592).

Almost surely, 2^2525459873 is an apocalyptic number.

It is an amenable number.

2525459873 is a deficient number, since it is larger than the sum of its proper divisors (13222495).

2525459873 is a wasteful number, since it uses less digits than its factorization.

2525459873 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13222494.

The product of its digits is 3024000, while the sum is 50.

The square root of 2525459873 is about 50253.9538046510. The cubic root of 2525459873 is about 1361.8005047125.

The spelling of 2525459873 in words is "two billion, five hundred twenty-five million, four hundred fifty-nine thousand, eight hundred seventy-three".