253012587 has 4 divisors (see below), whose sum is σ = 337350120. Its totient is φ = 168675056.

The previous prime is 253012583. The next prime is 253012597. The reversal of 253012587 is 785210352.

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 253012587 - 2² = 253012583 is a prime.

It is not an unprimeable number, because it can be changed into a prime (253012583) 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, 42168762 + ... + 42168767.

It is an arithmetic number, because the mean of its divisors is an integer number (84337530).

Almost surely, 2^253012587 is an apocalyptic number.

253012587 is a deficient number, since it is larger than the sum of its proper divisors (84337533).

253012587 is an equidigital number, since it uses as much as digits as its factorization.

253012587 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 84337532.

The product of its (nonzero) digits is 16800, while the sum is 33.

The square root of 253012587 is about 15906.3693846207. The cubic root of 253012587 is about 632.4808428428.

The spelling of 253012587 in words is "two hundred fifty-three million, twelve thousand, five hundred eighty-seven".