253973455 has 8 divisors (see below), whose sum is σ = 322695792. Its totient is φ = 191227008.

The previous prime is 253973453. The next prime is 253973479. The reversal of 253973455 is 554379352.

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

It is a cyclic number.

It is not a de Polignac number, because 253973455 - 2¹ = 253973453 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 (253973453) 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 7 ways as a sum of consecutive naturals, for example, 1493877 + ... + 1494046.

It is an arithmetic number, because the mean of its divisors is an integer number (40336974).

Almost surely, 2^253973455 is an apocalyptic number.

253973455 is a deficient number, since it is larger than the sum of its proper divisors (68722337).

253973455 is a wasteful number, since it uses less digits than its factorization.

253973455 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2987945.

The product of its digits is 567000, while the sum is 43.

The square root of 253973455 is about 15936.5446380324. The cubic root of 253973455 is about 633.2804906666.

The spelling of 253973455 in words is "two hundred fifty-three million, nine hundred seventy-three thousand, four hundred fifty-five".