2551592 has 8 divisors (see below), whose sum is σ = 4784250. Its totient is φ = 1275792.

The previous prime is 2551559. The next prime is 2551603. The reversal of 2551592 is 2951552.

It can be written as a sum of positive squares in only one way, i.e., 2208196 + 343396 = 1486^2 + 586^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 159467 + ... + 159482.

2^2551592 is an apocalyptic number.

It is an amenable number.

2551592 is a deficient number, since it is larger than the sum of its proper divisors (2232658).

2551592 is a wasteful number, since it uses less digits than its factorization.

2551592 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 318955 (or 318951 counting only the distinct ones).

The product of its digits is 4500, while the sum is 29.

The square root of 2551592 is about 1597.3703390260. The cubic root of 2551592 is about 136.6481460791.

The spelling of 2551592 in words is "two million, five hundred fifty-one thousand, five hundred ninety-two".