253542115 has 4 divisors (see below), whose sum is σ = 304250544. Its totient is φ = 202833688.

The previous prime is 253542083. The next prime is 253542127. The reversal of 253542115 is 511245352.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 253542115 - 2⁵ = 253542083 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 25354207 + ... + 25354216.

It is an arithmetic number, because the mean of its divisors is an integer number (76062636).

Almost surely, 2^253542115 is an apocalyptic number.

253542115 is a deficient number, since it is larger than the sum of its proper divisors (50708429).

253542115 is an equidigital number, since it uses as much as digits as its factorization.

253542115 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 50708428.

The product of its digits is 6000, while the sum is 28.

The square root of 253542115 is about 15923.0058406069. The cubic root of 253542115 is about 632.9217733951.

Adding to 253542115 its reverse (511245352), we get a palindrome (764787467).

The spelling of 253542115 in words is "two hundred fifty-three million, five hundred forty-two thousand, one hundred fifteen".