2150657 has 2 divisors, whose sum is σ = 2150658. Its totient is φ = 2150656.

The previous prime is 2150651. The next prime is 2150663. The reversal of 2150657 is 7560512.

It is a balanced prime because it is at equal distance from previous prime (2150651) and next prime (2150663).

It can be written as a sum of positive squares in only one way, i.e., 1700416 + 450241 = 1304^2 + 671^2 .

It is a cyclic number.

It is not a de Polignac number, because 2150657 - 2⁴ = 2150641 is a prime.

It is not a weakly prime, because it can be changed into another prime (2150651) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1075328 + 1075329.

It is an arithmetic number, because the mean of its divisors is an integer number (1075329).

2^2150657 is an apocalyptic number.

It is an amenable number.

2150657 is a deficient number, since it is larger than the sum of its proper divisors (1).

2150657 is an equidigital number, since it uses as much as digits as its factorization.

2150657 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2100, while the sum is 26.

The square root of 2150657 is about 1466.5118478894. The cubic root of 2150657 is about 129.0794334806.

The spelling of 2150657 in words is "two million, one hundred fifty thousand, six hundred fifty-seven".