252273405 has 8 divisors (see below), whose sum is σ = 403637472. Its totient is φ = 134545808.

The previous prime is 252273401. The next prime is 252273419. The reversal of 252273405 is 504372252.

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

It is a cyclic number.

It is not a de Polignac number, because 252273405 - 2² = 252273401 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (252273401) 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, 8409099 + ... + 8409128.

It is an arithmetic number, because the mean of its divisors is an integer number (50454684).

Almost surely, 2^252273405 is an apocalyptic number.

It is an amenable number.

252273405 is a deficient number, since it is larger than the sum of its proper divisors (151364067).

252273405 is a wasteful number, since it uses less digits than its factorization.

252273405 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16818235.

The product of its (nonzero) digits is 16800, while the sum is 30.

The square root of 252273405 is about 15883.1169799885. The cubic root of 252273405 is about 631.8643063444.

The spelling of 252273405 in words is "two hundred fifty-two million, two hundred seventy-three thousand, four hundred five".