2152432761 has 4 divisors (see below), whose sum is σ = 2869910352. Its totient is φ = 1434955172.

The previous prime is 2152432757. The next prime is 2152432769. The reversal of 2152432761 is 1672342512.

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 2152432761 - 2² = 2152432757 is a prime.

It is not an unprimeable number, because it can be changed into a prime (2152432769) 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, 358738791 + ... + 358738796.

It is an arithmetic number, because the mean of its divisors is an integer number (717477588).

Almost surely, 2^2152432761 is an apocalyptic number.

It is an amenable number.

2152432761 is a deficient number, since it is larger than the sum of its proper divisors (717477591).

2152432761 is an equidigital number, since it uses as much as digits as its factorization.

2152432761 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 717477590.

The product of its digits is 20160, while the sum is 33.

The square root of 2152432761 is about 46394.3181973827. The cubic root of 2152432761 is about 1291.1494994013.

It can be divided in two parts, 21524 and 32761, that added together give a triangular number (54285 = T₃₂₉).

The spelling of 2152432761 in words is "two billion, one hundred fifty-two million, four hundred thirty-two thousand, seven hundred sixty-one".