2552637 has 4 divisors (see below), whose sum is σ = 3403520. Its totient is φ = 1701756.

The previous prime is 2552629. The next prime is 2552647. The reversal of 2552637 is 7362552.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 2552637 - 2³ = 2552629 is a prime.

It is an Ulam number.

It is a D-number.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2552647) 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, 425437 + ... + 425442.

It is an arithmetic number, because the mean of its divisors is an integer number (850880).

2^2552637 is an apocalyptic number.

It is an amenable number.

2552637 is a deficient number, since it is larger than the sum of its proper divisors (850883).

2552637 is an equidigital number, since it uses as much as digits as its factorization.

2552637 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 850882.

The product of its digits is 12600, while the sum is 30.

The square root of 2552637 is about 1597.6974056435. The cubic root of 2552637 is about 136.6667982020. Note that the first 3 decimals are identical.

The spelling of 2552637 in words is "two million, five hundred fifty-two thousand, six hundred thirty-seven".