245515252 has 12 divisors (see below), whose sum is σ = 435090880. Its totient is φ = 121203576.

The previous prime is 245515211. The next prime is 245515261. The reversal of 245515252 is 252515542.

It is a happy number.

245515252 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 388158 + ... + 388789.

Almost surely, 2^245515252 is an apocalyptic number.

It is an amenable number.

245515252 is a deficient number, since it is larger than the sum of its proper divisors (189575628).

245515252 is a wasteful number, since it uses less digits than its factorization.

245515252 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 777030 (or 777028 counting only the distinct ones).

The product of its digits is 20000, while the sum is 31.

The square root of 245515252 is about 15668.9263193111. The cubic root of 245515252 is about 626.1708203579.

The spelling of 245515252 in words is "two hundred forty-five million, five hundred fifteen thousand, two hundred fifty-two".