253115101 has 4 divisors (see below), whose sum is σ = 254174400. Its totient is φ = 252055804.

The previous prime is 253115081. The next prime is 253115117. The reversal of 253115101 is 101511352.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 253115101 - 2¹¹ = 253113053 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 (253115171) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 529291 + ... + 529768.

It is an arithmetic number, because the mean of its divisors is an integer number (63543600).

Almost surely, 2^253115101 is an apocalyptic number.

It is an amenable number.

253115101 is a deficient number, since it is larger than the sum of its proper divisors (1059299).

253115101 is a wasteful number, since it uses less digits than its factorization.

253115101 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1059298.

The product of its (nonzero) digits is 150, while the sum is 19.

The square root of 253115101 is about 15909.5914780990. The cubic root of 253115101 is about 632.5662528047.

Adding to 253115101 its reverse (101511352), we get a palindrome (354626453).

The spelling of 253115101 in words is "two hundred fifty-three million, one hundred fifteen thousand, one hundred one".