252734013 has 60 divisors (see below), whose sum is σ = 451312092. Its totient is φ = 140434560.

The previous prime is 252734003. The next prime is 252734059. The reversal of 252734013 is 310437252.

252734013 is a `hidden beast` number, since 252 + 7 + 3 + 401 + 3 = 666.

252734013 is digitally balanced in base 2, 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 2 ways, for example, as 208138329 + 44595684 = 14427^2 + 6678^2 .

It is a de Polignac number, because none of the positive numbers 2^k-252734013 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (252734003) by changing a digit.

It is a polite number, since it can be written in 59 ways as a sum of consecutive naturals, for example, 145993 + ... + 147713.

Almost surely, 2^252734013 is an apocalyptic number.

It is an amenable number.

252734013 is a deficient number, since it is larger than the sum of its proper divisors (198578079).

252734013 is a wasteful number, since it uses less digits than its factorization.

252734013 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1784 (or 1768 counting only the distinct ones).

The product of its (nonzero) digits is 5040, while the sum is 27.

The square root of 252734013 is about 15897.6102921162. The cubic root of 252734013 is about 632.2486311778.

The spelling of 252734013 in words is "two hundred fifty-two million, seven hundred thirty-four thousand, thirteen".