2525136455 has 4 divisors (see below), whose sum is σ = 3030163752. Its totient is φ = 2020109160.

The previous prime is 2525136421. The next prime is 2525136479. The reversal of 2525136455 is 5546315252.

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

It is a de Polignac number, because none of the positive numbers 2^k-2525136455 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

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, 252513641 + ... + 252513650.

It is an arithmetic number, because the mean of its divisors is an integer number (757540938).

Almost surely, 2^2525136455 is an apocalyptic number.

2525136455 is a deficient number, since it is larger than the sum of its proper divisors (505027297).

2525136455 is an equidigital number, since it uses as much as digits as its factorization.

2525136455 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 505027296.

The product of its digits is 180000, while the sum is 38.

The square root of 2525136455 is about 50250.7358652587. The cubic root of 2525136455 is about 1361.7423701390.

The spelling of 2525136455 in words is "two billion, five hundred twenty-five million, one hundred thirty-six thousand, four hundred fifty-five".