252279773 has 4 divisors (see below), whose sum is σ = 252406140. Its totient is φ = 252153408.

The previous prime is 252279763. The next prime is 252279799. The reversal of 252279773 is 377972252.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 152819044 + 99460729 = 12362^2 + 9973^2 .

It is a cyclic number.

It is not a de Polignac number, because 252279773 - 2²² = 248085469 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 (252279763) 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, 60140 + ... + 64197.

It is an arithmetic number, because the mean of its divisors is an integer number (63101535).

Almost surely, 2^252279773 is an apocalyptic number.

It is an amenable number.

252279773 is a deficient number, since it is larger than the sum of its proper divisors (126367).

252279773 is a wasteful number, since it uses less digits than its factorization.

252279773 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 126366.

The product of its digits is 370440, while the sum is 44.

The square root of 252279773 is about 15883.3174431540. The cubic root of 252279773 is about 631.8696229017.

The spelling of 252279773 in words is "two hundred fifty-two million, two hundred seventy-nine thousand, seven hundred seventy-three".