2137653 has 12 divisors (see below), whose sum is σ = 3528928. Its totient is φ = 1221480.

The previous prime is 2137637. The next prime is 2137669. The reversal of 2137653 is 3567312.

It is a happy number.

2137653 is a `hidden beast` number, since 2 + 1 + 3 + 7 + 653 = 666.

It is an interprime number because it is at equal distance from previous prime (2137637) and next prime (2137669).

It is not a de Polignac number, because 2137653 - 2⁴ = 2137637 is a prime.

It is a d-powerful number, because it can be written as 2⁹ + 1 + 3³ + 7⁶ + 6⁶ + 5⁹ + 3⁹ .

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2137613) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 16903 + ... + 17028.

2^2137653 is an apocalyptic number.

It is an amenable number.

2137653 is a deficient number, since it is larger than the sum of its proper divisors (1391275).

2137653 is a wasteful number, since it uses less digits than its factorization.

2137653 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 33944 (or 33941 counting only the distinct ones).

The product of its digits is 3780, while the sum is 27.

The square root of 2137653 is about 1462.0714756810. The cubic root of 2137653 is about 128.8187467087.

The spelling of 2137653 in words is "two million, one hundred thirty-seven thousand, six hundred fifty-three".