2531764 has 6 divisors (see below), whose sum is σ = 4430594. Its totient is φ = 1265880.

The previous prime is 2531761. The next prime is 2531773. The reversal of 2531764 is 4671352.

It can be written as a sum of positive squares in only one way, i.e., 1795600 + 736164 = 1340^2 + 858^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2531761) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 316467 + ... + 316474.

2^2531764 is an apocalyptic number.

It is an amenable number.

2531764 is a deficient number, since it is larger than the sum of its proper divisors (1898830).

2531764 is a wasteful number, since it uses less digits than its factorization.

2531764 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 632945 (or 632943 counting only the distinct ones).

The product of its digits is 5040, while the sum is 28.

The square root of 2531764 is about 1591.1517840860. The cubic root of 2531764 is about 136.2932685293.

The spelling of 2531764 in words is "two million, five hundred thirty-one thousand, seven hundred sixty-four".