252247773 has 8 divisors (see below), whose sum is σ = 336416128. Its totient is φ = 168122304.

The previous prime is 252247769. The next prime is 252247783. The reversal of 252247773 is 377742252.

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

It is not a de Polignac number, because 252247773 - 2² = 252247769 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 (252247783) 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, 7365 + ... + 23637.

It is an arithmetic number, because the mean of its divisors is an integer number (42052016).

Almost surely, 2^252247773 is an apocalyptic number.

It is an amenable number.

252247773 is a deficient number, since it is larger than the sum of its proper divisors (84168355).

252247773 is a wasteful number, since it uses less digits than its factorization.

252247773 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21443.

The product of its digits is 164640, while the sum is 39.

The square root of 252247773 is about 15882.3100649748. The cubic root of 252247773 is about 631.8429056284.

The spelling of 252247773 in words is "two hundred fifty-two million, two hundred forty-seven thousand, seven hundred seventy-three".