2550157 has 4 divisors (see below), whose sum is σ = 2593440. Its totient is φ = 2506876.

The previous prime is 2550139. The next prime is 2550167. The reversal of 2550157 is 7510552.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 2550157 - 2¹⁹ = 2025869 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2550167) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 21553 + ... + 21670.

It is an arithmetic number, because the mean of its divisors is an integer number (648360).

2^2550157 is an apocalyptic number.

It is an amenable number.

2550157 is a deficient number, since it is larger than the sum of its proper divisors (43283).

2550157 is an equidigital number, since it uses as much as digits as its factorization.

2550157 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 43282.

The product of its (nonzero) digits is 1750, while the sum is 25.

The square root of 2550157 is about 1596.9211001173. The cubic root of 2550157 is about 136.6225245767.

It can be divided in two parts, 255015 and 7, that multiplied together give a triangular number (1785105 = T₁₈₈₉).

The spelling of 2550157 in words is "two million, five hundred fifty thousand, one hundred fifty-seven".