2553537 has 24 divisors (see below), whose sum is σ = 4104000. Its totient is φ = 1406496.

The previous prime is 2553527. The next prime is 2553539. The reversal of 2553537 is 7353552.

It is not a de Polignac number, because 2553537 - 2⁷ = 2553409 is a prime.

It is not an unprimeable number, because it can be changed into a prime (2553539) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 3964 + ... + 4562.

It is an arithmetic number, because the mean of its divisors is an integer number (171000).

2^2553537 is an apocalyptic number.

It is an amenable number.

2553537 is a deficient number, since it is larger than the sum of its proper divisors (1550463).

2553537 is a wasteful number, since it uses less digits than its factorization.

2553537 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 645 (or 638 counting only the distinct ones).

The product of its digits is 15750, while the sum is 30.

The square root of 2553537 is about 1597.9790361579. The cubic root of 2553537 is about 136.6828581517.

The spelling of 2553537 in words is "two million, five hundred fifty-three thousand, five hundred thirty-seven".