2505375631 has 8 divisors (see below), whose sum is σ = 2739634128. Its totient is φ = 2272200000.

The previous prime is 2505375623. The next prime is 2505375641. The reversal of 2505375631 is 1365735052.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 2505375631 - 2³ = 2505375623 is a prime.

It is a super-2 number, since 2×2505375631² = 12553814104817296322, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2505375611) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 265870 + ... + 275131.

It is an arithmetic number, because the mean of its divisors is an integer number (342454266).

Almost surely, 2^2505375631 is an apocalyptic number.

2505375631 is a deficient number, since it is larger than the sum of its proper divisors (234258497).

2505375631 is a wasteful number, since it uses less digits than its factorization.

2505375631 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 541433.

The product of its (nonzero) digits is 94500, while the sum is 37.

The square root of 2505375631 is about 50053.7274436180. The cubic root of 2505375631 is about 1358.1808923871.

The spelling of 2505375631 in words is "two billion, five hundred five million, three hundred seventy-five thousand, six hundred thirty-one".