253706613 has 8 divisors (see below), whose sum is σ = 341560128. Its totient is φ = 167495424.

The previous prime is 253706569. The next prime is 253706617. The reversal of 253706613 is 316607352.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 253706613 - 2¹³ = 253698421 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (253706617) 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, 410220 + ... + 410837.

It is an arithmetic number, because the mean of its divisors is an integer number (42695016).

Almost surely, 2^253706613 is an apocalyptic number.

It is an amenable number.

253706613 is a deficient number, since it is larger than the sum of its proper divisors (87853515).

253706613 is a wasteful number, since it uses less digits than its factorization.

253706613 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 821163.

The product of its (nonzero) digits is 22680, while the sum is 33.

The square root of 253706613 is about 15928.1704222425. The cubic root of 253706613 is about 633.0586235821.

The spelling of 253706613 in words is "two hundred fifty-three million, seven hundred six thousand, six hundred thirteen".