2553705 has 72 divisors (see below), whose sum is σ = 5643456. Its totient is φ = 1045440.

The previous prime is 2553701. The next prime is 2553739. The reversal of 2553705 is 5073552.

It is not a de Polignac number, because 2553705 - 2² = 2553701 is a prime.

It is not an unprimeable number, because it can be changed into a prime (2553701) by changing a digit.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 38082 + ... + 38148.

2^2553705 is an apocalyptic number.

It is an amenable number.

2553705 is an abundant number, since it is smaller than the sum of its proper divisors (3089751).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2553705 is a wasteful number, since it uses less digits than its factorization.

2553705 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 107 (or 93 counting only the distinct ones).

The product of its (nonzero) digits is 5250, while the sum is 27.

The square root of 2553705 is about 1598.0316016900. The cubic root of 2553705 is about 136.6858555910.

The spelling of 2553705 in words is "two million, five hundred fifty-three thousand, seven hundred five".