2505801 has 16 divisors (see below), whose sum is σ = 3449600. Its totient is φ = 1617408.

The previous prime is 2505793. The next prime is 2505809. The reversal of 2505801 is 1085052.

It is an interprime number because it is at equal distance from previous prime (2505793) and next prime (2505809).

It is not a de Polignac number, because 2505801 - 2³ = 2505793 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 (2505809) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 22935 + ... + 23043.

It is an arithmetic number, because the mean of its divisors is an integer number (215600).

2^2505801 is an apocalyptic number.

It is an amenable number.

2505801 is a deficient number, since it is larger than the sum of its proper divisors (943799).

2505801 is a wasteful number, since it uses less digits than its factorization.

2505801 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 288.

The product of its (nonzero) digits is 400, while the sum is 21.

The square root of 2505801 is about 1582.9722044306. The cubic root of 2505801 is about 135.8257753164.

The spelling of 2505801 in words is "two million, five hundred five thousand, eight hundred one".