253101516 has 12 divisors (see below), whose sum is σ = 590570232. Its totient is φ = 84367168.

The previous prime is 253101509. The next prime is 253101517. The reversal of 253101516 is 615101352.

It is a tau number, because it is divible by the number of its divisors (12).

It is not an unprimeable number, because it can be changed into a prime (253101517) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 10545885 + ... + 10545908.

It is an arithmetic number, because the mean of its divisors is an integer number (49214186).

Almost surely, 2^253101516 is an apocalyptic number.

It is an amenable number.

253101516 is an abundant number, since it is smaller than the sum of its proper divisors (337468716).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

253101516 is a wasteful number, since it uses less digits than its factorization.

253101516 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21091800 (or 21091798 counting only the distinct ones).

The product of its (nonzero) digits is 900, while the sum is 24.

The square root of 253101516 is about 15909.1645286608. The cubic root of 253101516 is about 632.5549357316.

Adding to 253101516 its reverse (615101352), we get a palindrome (868202868).

The spelling of 253101516 in words is "two hundred fifty-three million, one hundred one thousand, five hundred sixteen".