253308741 has 16 divisors (see below), whose sum is σ = 406310400. Its totient is φ = 137129328.

The previous prime is 253308647. The next prime is 253308751. The reversal of 253308741 is 147803352.

It is not a de Polignac number, because 253308741 - 2⁹ = 253308229 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (253308751) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 317031 + ... + 317828.

It is an arithmetic number, because the mean of its divisors is an integer number (25394400).

Almost surely, 2^253308741 is an apocalyptic number.

253308741 is a gapful number since it is divisible by the number (21) formed by its first and last digit.

It is an amenable number.

253308741 is a deficient number, since it is larger than the sum of its proper divisors (153001659).

253308741 is a wasteful number, since it uses less digits than its factorization.

253308741 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 634888.

The product of its (nonzero) digits is 20160, while the sum is 33.

The square root of 253308741 is about 15915.6759517150. The cubic root of 253308741 is about 632.7275218688.

The spelling of 253308741 in words is "two hundred fifty-three million, three hundred eight thousand, seven hundred forty-one".