2902157 has 2 divisors, whose sum is σ = 2902158. Its totient is φ = 2902156.

The previous prime is 2902153. The next prime is 2902171. The reversal of 2902157 is 7512092.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 2292196 + 609961 = 1514^2 + 781^2 .

It is a cyclic number.

It is not a de Polignac number, because 2902157 - 2² = 2902153 is a prime.

It is a super-3 number, since 3×2902157³ = 73330384794246191679, which contains 333 as substring.

It is a Chen prime.

It is an Ulam number.

It is a plaindrome in base 14.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2902153) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1451078 + 1451079.

It is an arithmetic number, because the mean of its divisors is an integer number (1451079).

2^2902157 is an apocalyptic number.

It is an amenable number.

2902157 is a deficient number, since it is larger than the sum of its proper divisors (1).

2902157 is an equidigital number, since it uses as much as digits as its factorization.

2902157 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1260, while the sum is 26.

The square root of 2902157 is about 1703.5718358790. The cubic root of 2902157 is about 142.6396619873.

The spelling of 2902157 in words is "two million, nine hundred two thousand, one hundred fifty-seven".