253060813 has 8 divisors (see below), whose sum is σ = 254676608. Its totient is φ = 251450784.

The previous prime is 253060777. The next prime is 253060823. The reversal of 253060813 is 318060352.

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

It is a de Polignac number, because none of the positive numbers 2^k-253060813 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (253060823) 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, 113770 + ... + 115972.

It is an arithmetic number, because the mean of its divisors is an integer number (31834576).

Almost surely, 2^253060813 is an apocalyptic number.

It is an amenable number.

253060813 is a deficient number, since it is larger than the sum of its proper divisors (1615795).

253060813 is a wasteful number, since it uses less digits than its factorization.

253060813 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2883.

The product of its (nonzero) digits is 4320, while the sum is 28.

The square root of 253060813 is about 15907.8852460030. The cubic root of 253060813 is about 632.5210254068.

The spelling of 253060813 in words is "two hundred fifty-three million, sixty thousand, eight hundred thirteen".