2137572 has 18 divisors (see below), whose sum is σ = 5403398. Its totient is φ = 712512.

The previous prime is 2137571. The next prime is 2137613. The reversal of 2137572 is 2757312.

It can be written as a sum of positive squares in only one way, i.e., 2090916 + 46656 = 1446^2 + 216^2 .

It is a tau number, because it is divible by the number of its divisors (18).

It is not an unprimeable number, because it can be changed into a prime (2137571) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 29653 + ... + 29724.

2^2137572 is an apocalyptic number.

It is an amenable number.

2137572 is an abundant number, since it is smaller than the sum of its proper divisors (3265826).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2137572 is a wasteful number, since it uses less digits than its factorization.

2137572 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 59387 (or 59382 counting only the distinct ones).

The product of its digits is 2940, while the sum is 27.

The square root of 2137572 is about 1462.0437749944. The cubic root of 2137572 is about 128.8171196204.

The spelling of 2137572 in words is "two million, one hundred thirty-seven thousand, five hundred seventy-two".