2151562 has 16 divisors (see below), whose sum is σ = 3707712. Its totient is φ = 917280.

The previous prime is 2151533. The next prime is 2151563. The reversal of 2151562 is 2651512.

It is not an unprimeable number, because it can be changed into a prime (2151563) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4137 + ... + 4627.

It is an arithmetic number, because the mean of its divisors is an integer number (231732).

2^2151562 is an apocalyptic number.

2151562 is a deficient number, since it is larger than the sum of its proper divisors (1556150).

2151562 is a wasteful number, since it uses less digits than its factorization.

2151562 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 813.

The product of its digits is 600, while the sum is 22.

The square root of 2151562 is about 1466.8203707339. The cubic root of 2151562 is about 129.0975365542.

The spelling of 2151562 in words is "two million, one hundred fifty-one thousand, five hundred sixty-two".