253085501 has 4 divisors (see below), whose sum is σ = 254906400. Its totient is φ = 251264604.

The previous prime is 253085479. The next prime is 253085507. The reversal of 253085501 is 105580352.

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 253085501 - 2¹⁸ = 252823357 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 (253085507) 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, 910241 + ... + 910518.

It is an arithmetic number, because the mean of its divisors is an integer number (63726600).

Almost surely, 2^253085501 is an apocalyptic number.

It is an amenable number.

253085501 is a deficient number, since it is larger than the sum of its proper divisors (1820899).

253085501 is a wasteful number, since it uses less digits than its factorization.

253085501 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1820898.

The product of its (nonzero) digits is 6000, while the sum is 29.

The square root of 253085501 is about 15908.6611944563. The cubic root of 253085501 is about 632.5415938110.

The spelling of 253085501 in words is "two hundred fifty-three million, eighty-five thousand, five hundred one".