2651158 has 4 divisors (see below), whose sum is σ = 3976740. Its totient is φ = 1325578.

The previous prime is 2651137. The next prime is 2651189. The reversal of 2651158 is 8511562.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 8511562 = 2 ⋅4255781.

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, 662788 + ... + 662791.

It is an arithmetic number, because the mean of its divisors is an integer number (994185).

2^2651158 is an apocalyptic number.

2651158 is a deficient number, since it is larger than the sum of its proper divisors (1325582).

2651158 is a wasteful number, since it uses less digits than its factorization.

2651158 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1325581.

The product of its digits is 2400, while the sum is 28.

The square root of 2651158 is about 1628.2376976351. The cubic root of 2651158 is about 138.4029043127.

It can be divided in two parts, 26511 and 58, that added together give a square (26569 = 163²).

The spelling of 2651158 in words is "two million, six hundred fifty-one thousand, one hundred fifty-eight".