2530772 has 12 divisors (see below), whose sum is σ = 4581780. Its totient is φ = 1221696.

The previous prime is 2530769. The next prime is 2530777. The reversal of 2530772 is 2770352.

It can be written as a sum of positive squares in 2 ways, for example, as 1522756 + 1008016 = 1234^2 + 1004^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2530777) 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, 10793 + ... + 11024.

It is an arithmetic number, because the mean of its divisors is an integer number (381815).

2^2530772 is an apocalyptic number.

It is an amenable number.

2530772 is a deficient number, since it is larger than the sum of its proper divisors (2051008).

2530772 is a wasteful number, since it uses less digits than its factorization.

2530772 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21850 (or 21848 counting only the distinct ones).

The product of its (nonzero) digits is 2940, while the sum is 26.

The square root of 2530772 is about 1590.8400296699. The cubic root of 2530772 is about 136.2754653185.

The spelling of 2530772 in words is "two million, five hundred thirty thousand, seven hundred seventy-two".