252993949 has 16 divisors (see below), whose sum is σ = 303670080. Its totient is φ = 208224000.

The previous prime is 252993929. The next prime is 252993971. The reversal of 252993949 is 949399252.

252993949 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a cyclic number.

It is not a de Polignac number, because 252993949 - 2⁹ = 252993437 is a prime.

It is a super-2 number, since 2×252993949² = 128011876461229202, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 252993896 and 252993905.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (252993919) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 25927 + ... + 34324.

It is an arithmetic number, because the mean of its divisors is an integer number (18979380).

Almost surely, 2^252993949 is an apocalyptic number.

It is an amenable number.

252993949 is a deficient number, since it is larger than the sum of its proper divisors (50676131).

252993949 is a wasteful number, since it uses less digits than its factorization.

252993949 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 60300.

The product of its digits is 1574640, while the sum is 52.

The square root of 252993949 is about 15905.7835078942. The cubic root of 252993949 is about 632.4653120379.

The spelling of 252993949 in words is "two hundred fifty-two million, nine hundred ninety-three thousand, nine hundred forty-nine".