2125762731 has 32 divisors (see below), whose sum is σ = 3357056000. Its totient is φ = 1325566944.

The previous prime is 2125762729. The next prime is 2125762733. The reversal of 2125762731 is 1372675212.

2125762731 is a `hidden beast` number, since 2 + 1 + 25 + 7 + 627 + 3 + 1 = 666.

It is an interprime number because it is at equal distance from previous prime (2125762729) and next prime (2125762733).

It is not a de Polignac number, because 2125762731 - 2¹ = 2125762729 is a prime.

It is a super-2 number, since 2×2125762731² = 9037734377017156722, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2125762733) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 14301 + ... + 66753.

It is an arithmetic number, because the mean of its divisors is an integer number (104908000).

Almost surely, 2^2125762731 is an apocalyptic number.

2125762731 is a deficient number, since it is larger than the sum of its proper divisors (1231293269).

2125762731 is a wasteful number, since it uses less digits than its factorization.

2125762731 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 52560 (or 52554 counting only the distinct ones).

The product of its digits is 35280, while the sum is 36.

The square root of 2125762731 is about 46105.9945234890. The cubic root of 2125762731 is about 1285.7945962374.

The spelling of 2125762731 in words is "two billion, one hundred twenty-five million, seven hundred sixty-two thousand, seven hundred thirty-one".