253116406 has 8 divisors (see below), whose sum is σ = 379778760. Its totient is φ = 126523488.

The previous prime is 253116401. The next prime is 253116407. The reversal of 253116406 is 604611352.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (253116401) 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 3 ways as a sum of consecutive naturals, for example, 7011 + ... + 23566.

It is an arithmetic number, because the mean of its divisors is an integer number (47472345).

Almost surely, 2^253116406 is an apocalyptic number.

253116406 is a deficient number, since it is larger than the sum of its proper divisors (126662354).

253116406 is a wasteful number, since it uses less digits than its factorization.

253116406 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 34718.

The product of its (nonzero) digits is 4320, while the sum is 28.

The square root of 253116406 is about 15909.6324910414. The cubic root of 253116406 is about 632.5673399221.

Adding to 253116406 its reverse (604611352), we get a palindrome (857727758).

The spelling of 253116406 in words is "two hundred fifty-three million, one hundred sixteen thousand, four hundred six".