2645212252 has 24 divisors (see below), whose sum is σ = 4852319472. Its totient is φ = 1260336000.

The previous prime is 2645212249. The next prime is 2645212253. The reversal of 2645212252 is 2522125462.

It is a hoax number, since the sum of its digits (31) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2645212253) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 180499 + ... + 194602.

It is an arithmetic number, because the mean of its divisors is an integer number (202179978).

Almost surely, 2^2645212252 is an apocalyptic number.

It is an amenable number.

2645212252 is a deficient number, since it is larger than the sum of its proper divisors (2207107220).

2645212252 is a wasteful number, since it uses less digits than its factorization.

2645212252 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 375189 (or 375187 counting only the distinct ones).

The product of its digits is 19200, while the sum is 31.

The square root of 2645212252 is about 51431.6269624051. The cubic root of 2645212252 is about 1382.9936154163.

The spelling of 2645212252 in words is "two billion, six hundred forty-five million, two hundred twelve thousand, two hundred fifty-two".