253422869 has 4 divisors (see below), whose sum is σ = 289626144. Its totient is φ = 217219596.

The previous prime is 253422863. The next prime is 253422889. The reversal of 253422869 is 968224352.

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 253422869 - 2²⁰ = 252374293 is a prime.

It is a super-2 number, since 2×253422869² = 128446301064382322, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (253422863) 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, 18101627 + ... + 18101640.

It is an arithmetic number, because the mean of its divisors is an integer number (72406536).

Almost surely, 2^253422869 is an apocalyptic number.

It is an amenable number.

253422869 is a deficient number, since it is larger than the sum of its proper divisors (36203275).

253422869 is an equidigital number, since it uses as much as digits as its factorization.

253422869 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 36203274.

The product of its digits is 207360, while the sum is 41.

The square root of 253422869 is about 15919.2609439006. The cubic root of 253422869 is about 632.8225325187.

The spelling of 253422869 in words is "two hundred fifty-three million, four hundred twenty-two thousand, eight hundred sixty-nine".