2602157 has 4 divisors (see below), whose sum is σ = 2626140. Its totient is φ = 2578176.

The previous prime is 2602121. The next prime is 2602163. The reversal of 2602157 is 7512062.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 1012036 + 1590121 = 1006^2 + 1261^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2602157 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 (2602177) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 11828 + ... + 12045.

It is an arithmetic number, because the mean of its divisors is an integer number (656535).

2^2602157 is an apocalyptic number.

It is an amenable number.

2602157 is a deficient number, since it is larger than the sum of its proper divisors (23983).

2602157 is a wasteful number, since it uses less digits than its factorization.

2602157 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23982.

The product of its (nonzero) digits is 840, while the sum is 23.

The square root of 2602157 is about 1613.1202682999. The cubic root of 2602157 is about 137.5449021395.

The spelling of 2602157 in words is "two million, six hundred two thousand, one hundred fifty-seven".