2131292 has 6 divisors (see below), whose sum is σ = 3729768. Its totient is φ = 1065644.

The previous prime is 2131291. The next prime is 2131319. The reversal of 2131292 is 2921312.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2131291) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 266408 + ... + 266415.

It is an arithmetic number, because the mean of its divisors is an integer number (621628).

2^2131292 is an apocalyptic number.

It is an amenable number.

2131292 is a deficient number, since it is larger than the sum of its proper divisors (1598476).

2131292 is a wasteful number, since it uses less digits than its factorization.

2131292 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 532827 (or 532825 counting only the distinct ones).

The product of its digits is 216, while the sum is 20.

The square root of 2131292 is about 1459.8945167374. The cubic root of 2131292 is about 128.6908447260.

Adding to 2131292 its sum of digits (20), we get a palindrome (2131312).

It can be divided in two parts, 21 and 31292, that added together give a palindrome (31313).

The spelling of 2131292 in words is "two million, one hundred thirty-one thousand, two hundred ninety-two".