2505621375 has 48 divisors (see below), whose sum is σ = 4602132288. Its totient is φ = 1311086400.

The previous prime is 2505621341. The next prime is 2505621401. The reversal of 2505621375 is 5731265052.

2505621375 is a `hidden beast` number, since 25 + 0 + 5 + 621 + 3 + 7 + 5 = 666.

It is not a de Polignac number, because 2505621375 - 2⁸ = 2505621119 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 38614 + ... + 80636.

It is an arithmetic number, because the mean of its divisors is an integer number (95877756).

Almost surely, 2^2505621375 is an apocalyptic number.

2505621375 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

2505621375 is a deficient number, since it is larger than the sum of its proper divisors (2096510913).

2505621375 is a wasteful number, since it uses less digits than its factorization.

2505621375 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 42097 (or 42084 counting only the distinct ones).

The product of its (nonzero) digits is 63000, while the sum is 36.

The square root of 2505621375 is about 50056.1821856202. The cubic root of 2505621375 is about 1358.2252974241.

The spelling of 2505621375 in words is "two billion, five hundred five million, six hundred twenty-one thousand, three hundred seventy-five".