253670087 has 12 divisors (see below), whose sum is σ = 283561320. Its totient is φ = 226694160.

The previous prime is 253670077. The next prime is 253670099. The reversal of 253670087 is 780076352.

It is a happy number.

It is not a de Polignac number, because 253670087 - 2⁶ = 253670023 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 253670087.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (253670017) 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 11 ways as a sum of consecutive naturals, for example, 10628 + ... + 24905.

It is an arithmetic number, because the mean of its divisors is an integer number (23630110).

Almost surely, 2^253670087 is an apocalyptic number.

253670087 is a deficient number, since it is larger than the sum of its proper divisors (29891233).

253670087 is a wasteful number, since it uses less digits than its factorization.

253670087 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 35614 (or 35603 counting only the distinct ones).

The product of its (nonzero) digits is 70560, while the sum is 38.

The square root of 253670087 is about 15927.0237960518. The cubic root of 253670087 is about 633.0282417580.

The spelling of 253670087 in words is "two hundred fifty-three million, six hundred seventy thousand, eighty-seven".