253207893 has 8 divisors (see below), whose sum is σ = 337742656. Its totient is φ = 168739200.

The previous prime is 253207891. The next prime is 253207919. The reversal of 253207893 is 398702352.

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

It is not a de Polignac number, because 253207893 - 2¹ = 253207891 is a prime.

It is a super-2 number, since 2×253207893² = 128228474154998898, which contains 22 as substring.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (253207891) 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, 6748 + ... + 23493.

It is an arithmetic number, because the mean of its divisors is an integer number (42217832).

Almost surely, 2^253207893 is an apocalyptic number.

It is an amenable number.

253207893 is a deficient number, since it is larger than the sum of its proper divisors (84534763).

253207893 is a wasteful number, since it uses less digits than its factorization.

253207893 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 33035.

The product of its (nonzero) digits is 90720, while the sum is 39.

The square root of 253207893 is about 15912.5074391184. The cubic root of 253207893 is about 632.6435429600.

The spelling of 253207893 in words is "two hundred fifty-three million, two hundred seven thousand, eight hundred ninety-three".