2125637 has 4 divisors (see below), whose sum is σ = 2218080. Its totient is φ = 2033196.

The previous prime is 2125621. The next prime is 2125649. The reversal of 2125637 is 7365212.

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 2125637 - 2⁴ = 2125621 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2125657) 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, 46187 + ... + 46232.

It is an arithmetic number, because the mean of its divisors is an integer number (554520).

2^2125637 is an apocalyptic number.

It is an amenable number.

2125637 is a deficient number, since it is larger than the sum of its proper divisors (92443).

2125637 is an equidigital number, since it uses as much as digits as its factorization.

2125637 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 92442.

The product of its digits is 2520, while the sum is 26.

The square root of 2125637 is about 1457.9564465374. The cubic root of 2125637 is about 128.5769245740.

The spelling of 2125637 in words is "two million, one hundred twenty-five thousand, six hundred thirty-seven".