253244087 has 4 divisors (see below), whose sum is σ = 268140816. Its totient is φ = 238347360.

The previous prime is 253244083. The next prime is 253244093. The reversal of 253244087 is 780442352.

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 253244087 - 2² = 253244083 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 (253244083) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7448339 + ... + 7448372.

It is an arithmetic number, because the mean of its divisors is an integer number (67035204).

Almost surely, 2^253244087 is an apocalyptic number.

253244087 is a deficient number, since it is larger than the sum of its proper divisors (14896729).

253244087 is a wasteful number, since it uses less digits than its factorization.

253244087 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14896728.

The product of its (nonzero) digits is 53760, while the sum is 35.

The square root of 253244087 is about 15913.6446799594. The cubic root of 253244087 is about 632.6736852661.

The spelling of 253244087 in words is "two hundred fifty-three million, two hundred forty-four thousand, eighty-seven".