478137253 has 8 divisors (see below), whose sum is σ = 533735136. Its totient is φ = 424561200.

The previous prime is 478137229. The next prime is 478137263. The reversal of 478137253 is 352731874.

It is a happy number.

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 478137253 - 2²⁵ = 444582821 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (478137263) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 504958 + ... + 505903.

It is an arithmetic number, because the mean of its divisors is an integer number (66716892).

Almost surely, 2^478137253 is an apocalyptic number.

478137253 is a gapful number since it is divisible by the number (43) formed by its first and last digit.

It is an amenable number.

478137253 is a deficient number, since it is larger than the sum of its proper divisors (55597883).

478137253 is a wasteful number, since it uses less digits than its factorization.

478137253 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1010915.

The product of its digits is 141120, while the sum is 40.

The square root of 478137253 is about 21866.3497868300. The cubic root of 478137253 is about 781.9593807871.

It can be divided in two parts, 478 and 137253, that added together give a palindrome (137731).

The spelling of 478137253 in words is "four hundred seventy-eight million, one hundred thirty-seven thousand, two hundred fifty-three".