2151592 has 16 divisors (see below), whose sum is σ = 4101300. Its totient is φ = 1057920.

The previous prime is 2151563. The next prime is 2151593. The reversal of 2151592 is 2951512.

It can be written as a sum of positive squares in 2 ways, for example, as 1552516 + 599076 = 1246^2 + 774^2 .

It is not an unprimeable number, because it can be changed into a prime (2151593) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1717 + ... + 2692.

2^2151592 is an apocalyptic number.

It is an amenable number.

2151592 is a deficient number, since it is larger than the sum of its proper divisors (1949708).

2151592 is a wasteful number, since it uses less digits than its factorization.

2151592 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4476 (or 4472 counting only the distinct ones).

The product of its digits is 900, while the sum is 25.

The square root of 2151592 is about 1466.8305968993. The cubic root of 2151592 is about 129.0981365691.

The spelling of 2151592 in words is "two million, one hundred fifty-one thousand, five hundred ninety-two".