2131592 has 8 divisors (see below), whose sum is σ = 3996750. Its totient is φ = 1065792.

The previous prime is 2131573. The next prime is 2131601. The reversal of 2131592 is 2951312.

It can be written as a sum of positive squares in only one way, i.e., 1943236 + 188356 = 1394^2 + 434^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 133217 + ... + 133232.

2^2131592 is an apocalyptic number.

It is an amenable number.

2131592 is a deficient number, since it is larger than the sum of its proper divisors (1865158).

2131592 is a wasteful number, since it uses less digits than its factorization.

2131592 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 266455 (or 266451 counting only the distinct ones).

The product of its digits is 540, while the sum is 23.

The square root of 2131592 is about 1459.9972602714. The cubic root of 2131592 is about 128.6968826038.

It can be divided in two parts, 21 and 31592, that added together give a palindrome (31613).

The spelling of 2131592 in words is "two million, one hundred thirty-one thousand, five hundred ninety-two".