2956157 has 2 divisors, whose sum is σ = 2956158. Its totient is φ = 2956156.

The previous prime is 2956133. The next prime is 2956171. The reversal of 2956157 is 7516592.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1819801 + 1136356 = 1349^2 + 1066^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2956157 is a prime.

It is a Chen prime.

It is an Ulam number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2956357) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1478078 + 1478079.

It is an arithmetic number, because the mean of its divisors is an integer number (1478079).

2^2956157 is an apocalyptic number.

It is an amenable number.

2956157 is a deficient number, since it is larger than the sum of its proper divisors (1).

2956157 is an equidigital number, since it uses as much as digits as its factorization.

2956157 is an evil number, because the sum of its binary digits is even.

The product of its digits is 18900, while the sum is 35.

The square root of 2956157 is about 1719.3478414794. The cubic root of 2956157 is about 143.5189225048.

It can be divided in two parts, 2956 and 157, that added together give a palindrome (3113).

The spelling of 2956157 in words is "two million, nine hundred fifty-six thousand, one hundred fifty-seven".