2790157 has 2 divisors, whose sum is σ = 2790158. Its totient is φ = 2790156.

The previous prime is 2790149. The next prime is 2790181. The reversal of 2790157 is 7510972.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1990921 + 799236 = 1411^2 + 894^2 .

It is a cyclic number.

It is not a de Polignac number, because 2790157 - 2³ = 2790149 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2790187) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1395078 + 1395079.

It is an arithmetic number, because the mean of its divisors is an integer number (1395079).

2^2790157 is an apocalyptic number.

It is an amenable number.

2790157 is a deficient number, since it is larger than the sum of its proper divisors (1).

2790157 is an equidigital number, since it uses as much as digits as its factorization.

2790157 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 4410, while the sum is 31.

The square root of 2790157 is about 1670.3763049086. The cubic root of 2790157 is about 140.7806222525.

The spelling of 2790157 in words is "two million, seven hundred ninety thousand, one hundred fifty-seven".