2150631 has 20 divisors (see below), whose sum is σ = 3672592. Its totient is φ = 1228608.

The previous prime is 2150597. The next prime is 2150639. The reversal of 2150631 is 1360512.

It is not a de Polignac number, because 2150631 - 2⁶ = 2150567 is a prime.

It is a super-2 number, since 2×2150631² = 9250427396322, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2150639) by changing a digit.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 1330 + ... + 2463.

2^2150631 is an apocalyptic number.

2150631 is a gapful number since it is divisible by the number (21) formed by its first and last digit.

2150631 is a deficient number, since it is larger than the sum of its proper divisors (1521961).

2150631 is an equidigital number, since it uses as much as digits as its factorization.

2150631 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3812 (or 3803 counting only the distinct ones).

The product of its (nonzero) digits is 180, while the sum is 18.

The square root of 2150631 is about 1466.5029832905. The cubic root of 2150631 is about 129.0789133173.

The spelling of 2150631 in words is "two million, one hundred fifty thousand, six hundred thirty-one".