2351157 has 4 divisors (see below), whose sum is σ = 3134880. Its totient is φ = 1567436.

The previous prime is 2351149. The next prime is 2351159. The reversal of 2351157 is 7511532.

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 2351157 - 2³ = 2351149 is a prime.

It is a D-number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2351159) 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, 391857 + ... + 391862.

It is an arithmetic number, because the mean of its divisors is an integer number (783720).

2^2351157 is an apocalyptic number.

It is an amenable number.

2351157 is a deficient number, since it is larger than the sum of its proper divisors (783723).

2351157 is an equidigital number, since it uses as much as digits as its factorization.

2351157 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 783722.

The product of its digits is 1050, while the sum is 24.

The square root of 2351157 is about 1533.3482970284. The cubic root of 2351157 is about 132.9721048777.

Adding to 2351157 its reverse (7511532), we get a palindrome (9862689).

The spelling of 2351157 in words is "two million, three hundred fifty-one thousand, one hundred fifty-seven".