253864653 has 8 divisors (see below), whose sum is σ = 386841408. Its totient is φ = 145065504.

The previous prime is 253864651. The next prime is 253864697. The reversal of 253864653 is 356468352.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 253864653 - 2¹ = 253864651 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (253864651) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6044376 + ... + 6044417.

It is an arithmetic number, because the mean of its divisors is an integer number (48355176).

Almost surely, 2^253864653 is an apocalyptic number.

It is an amenable number.

253864653 is a deficient number, since it is larger than the sum of its proper divisors (132976755).

253864653 is a wasteful number, since it uses less digits than its factorization.

253864653 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12088803.

The product of its digits is 518400, while the sum is 42.

The square root of 253864653 is about 15933.1306716540. The cubic root of 253864653 is about 633.1900454853.

The spelling of 253864653 in words is "two hundred fifty-three million, eight hundred sixty-four thousand, six hundred fifty-three".