2490157 has 2 divisors, whose sum is σ = 2490158. Its totient is φ = 2490156.

The previous prime is 2490139. The next prime is 2490161. The reversal of 2490157 is 7510942.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 2208196 + 281961 = 1486^2 + 531^2 .

It is a cyclic number.

It is not a de Polignac number, because 2490157 - 2⁷ = 2490029 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2490127) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1245078 + 1245079.

It is an arithmetic number, because the mean of its divisors is an integer number (1245079).

2^2490157 is an apocalyptic number.

It is an amenable number.

2490157 is a deficient number, since it is larger than the sum of its proper divisors (1).

2490157 is an equidigital number, since it uses as much as digits as its factorization.

2490157 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2520, while the sum is 28.

The square root of 2490157 is about 1578.0231303755. The cubic root of 2490157 is about 135.5425264683.

The spelling of 2490157 in words is "two million, four hundred ninety thousand, one hundred fifty-seven".