253466693 has 4 divisors (see below), whose sum is σ = 264487008. Its totient is φ = 242446380.

The previous prime is 253466677. The next prime is 253466713. The reversal of 253466693 is 396664352.

253466693 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 253466693 - 2⁴ = 253466677 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (253466893) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5510123 + ... + 5510168.

It is an arithmetic number, because the mean of its divisors is an integer number (66121752).

Almost surely, 2^253466693 is an apocalyptic number.

253466693 is a gapful number since it is divisible by the number (23) formed by its first and last digit.

It is an amenable number.

253466693 is a deficient number, since it is larger than the sum of its proper divisors (11020315).

253466693 is a wasteful number, since it uses less digits than its factorization.

253466693 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11020314.

The product of its digits is 699840, while the sum is 44.

The square root of 253466693 is about 15920.6373302076. The cubic root of 253466693 is about 632.8590080695.

The spelling of 253466693 in words is "two hundred fifty-three million, four hundred sixty-six thousand, six hundred ninety-three".