2640052 has 6 divisors (see below), whose sum is σ = 4620098. Its totient is φ = 1320024.

The previous prime is 2640041. The next prime is 2640059. The reversal of 2640052 is 2500462.

2640052 is digitally balanced in base 5, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in only one way, i.e., 2056356 + 583696 = 1434^2 + 764^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2640059) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 330003 + ... + 330010.

2^2640052 is an apocalyptic number.

It is an amenable number.

2640052 is a deficient number, since it is larger than the sum of its proper divisors (1980046).

2640052 is a wasteful number, since it uses less digits than its factorization.

2640052 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 660017 (or 660015 counting only the distinct ones).

The product of its (nonzero) digits is 480, while the sum is 19.

The square root of 2640052 is about 1624.8236827422. The cubic root of 2640052 is about 138.2093720236.

The spelling of 2640052 in words is "two million, six hundred forty thousand, fifty-two".