253973475 has 240 divisors, whose sum is σ = 604961280. Its totient is φ = 102643200.

The previous prime is 253973453. The next prime is 253973479. The reversal of 253973475 is 574379352.

253973475 is a `hidden beast` number, since 2 + 539 + 73 + 47 + 5 = 666.

It is not a de Polignac number, because 253973475 - 2⁶ = 253973411 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (45).

Its product of digits (793800) is a multiple of the sum of its prime divisors (98).

It is a self number, because there is not a number n which added to its sum of digits gives 253973475.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (253973479) by changing a digit.

It is a polite number, since it can be written in 239 ways as a sum of consecutive naturals, for example, 6194455 + ... + 6194495.

It is an arithmetic number, because the mean of its divisors is an integer number (2520672).

Almost surely, 2^253973475 is an apocalyptic number.

253973475 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

253973475 is an abundant number, since it is smaller than the sum of its proper divisors (350987805).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

253973475 is a wasteful number, since it uses less digits than its factorization.

253973475 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 112 (or 98 counting only the distinct ones).

The product of its digits is 793800, while the sum is 45.

The square root of 253973475 is about 15936.5452655210. The cubic root of 253973475 is about 633.2805072898.

The spelling of 253973475 in words is "two hundred fifty-three million, nine hundred seventy-three thousand, four hundred seventy-five".