253198013 has 8 divisors (see below), whose sum is σ = 258211800. Its totient is φ = 248193088.

The previous prime is 253198003. The next prime is 253198027. The reversal of 253198013 is 310891352.

It can be written as a sum of positive squares in 4 ways, for example, as 58400164 + 194797849 = 7642^2 + 13957^2 .

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

It is a cyclic number.

It is not a de Polignac number, because 253198013 - 2¹² = 253193917 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 (253198003) 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, 108503 + ... + 110811.

It is an arithmetic number, because the mean of its divisors is an integer number (32276475).

Almost surely, 2^253198013 is an apocalyptic number.

It is an amenable number.

253198013 is a deficient number, since it is larger than the sum of its proper divisors (5013787).

253198013 is a wasteful number, since it uses less digits than its factorization.

253198013 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4431.

The product of its (nonzero) digits is 6480, while the sum is 32.

The square root of 253198013 is about 15912.1969884740. The cubic root of 253198013 is about 632.6353144125.

The spelling of 253198013 in words is "two hundred fifty-three million, one hundred ninety-eight thousand, thirteen".