2651156 has 6 divisors (see below), whose sum is σ = 4639530. Its totient is φ = 1325576.

The previous prime is 2651137. The next prime is 2651189. The reversal of 2651156 is 6511562.

It can be written as a sum of positive squares in only one way, i.e., 2202256 + 448900 = 1484^2 + 670^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 331391 + ... + 331398.

It is an arithmetic number, because the mean of its divisors is an integer number (773255).

2^2651156 is an apocalyptic number.

It is an amenable number.

2651156 is a deficient number, since it is larger than the sum of its proper divisors (1988374).

2651156 is a wasteful number, since it uses less digits than its factorization.

2651156 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 662793 (or 662791 counting only the distinct ones).

The product of its digits is 1800, while the sum is 26.

The square root of 2651156 is about 1628.2370834740. The cubic root of 2651156 is about 138.4028695096.

The spelling of 2651156 in words is "two million, six hundred fifty-one thousand, one hundred fifty-six".