253468749 has 8 divisors (see below), whose sum is σ = 340032352. Its totient is φ = 167942160.

The previous prime is 253468727. The next prime is 253468753. The reversal of 253468749 is 947864352.

253468749 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is not a de Polignac number, because 253468749 - 2²⁰ = 252420173 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 253468698 and 253468707.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (253468549) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 258682 + ... + 259659.

It is an arithmetic number, because the mean of its divisors is an integer number (42504044).

Almost surely, 2^253468749 is an apocalyptic number.

It is an amenable number.

253468749 is a deficient number, since it is larger than the sum of its proper divisors (86563603).

253468749 is a wasteful number, since it uses less digits than its factorization.

253468749 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 518507.

The product of its digits is 1451520, while the sum is 48.

The square root of 253468749 is about 15920.7019003560. The cubic root of 253468749 is about 632.8607192143.

The spelling of 253468749 in words is "two hundred fifty-three million, four hundred sixty-eight thousand, seven hundred forty-nine".