2505637 has 8 divisors (see below), whose sum is σ = 2610432. Its totient is φ = 2402400.

The previous prime is 2505631. The next prime is 2505641. The reversal of 2505637 is 7365052.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 2505637 - 2¹⁹ = 1981349 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2505631) 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, 3753 + ... + 4369.

It is an arithmetic number, because the mean of its divisors is an integer number (326304).

2^2505637 is an apocalyptic number.

It is an amenable number.

2505637 is a deficient number, since it is larger than the sum of its proper divisors (104795).

2505637 is a wasteful number, since it uses less digits than its factorization.

2505637 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 779.

The product of its (nonzero) digits is 6300, while the sum is 28.

The square root of 2505637 is about 1582.9204022944. The cubic root of 2505637 is about 135.8228120706.

The spelling of 2505637 in words is "two million, five hundred five thousand, six hundred thirty-seven".