2132572361 has 4 divisors (see below), whose sum is σ = 2258017812. Its totient is φ = 2007126912.

The previous prime is 2132572357. The next prime is 2132572363. The reversal of 2132572361 is 1632752312.

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

It can be written as a sum of positive squares in 2 ways, for example, as 610090000 + 1522482361 = 24700^2 + 39019^2 .

It is a cyclic number.

It is not a de Polignac number, because 2132572361 - 2² = 2132572357 is a prime.

It is a super-2 number, since 2×2132572361² = 9095729749802228642, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2132572363) 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, 62722700 + ... + 62722733.

It is an arithmetic number, because the mean of its divisors is an integer number (564504453).

Almost surely, 2^2132572361 is an apocalyptic number.

It is an amenable number.

2132572361 is a deficient number, since it is larger than the sum of its proper divisors (125445451).

2132572361 is a wasteful number, since it uses less digits than its factorization.

2132572361 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 125445450.

The product of its digits is 15120, while the sum is 32.

The square root of 2132572361 is about 46179.7830332712. The cubic root of 2132572361 is about 1287.1660965397.

The spelling of 2132572361 in words is "two billion, one hundred thirty-two million, five hundred seventy-two thousand, three hundred sixty-one".