252773399 has 4 divisors (see below), whose sum is σ = 253907136. Its totient is φ = 251639664.

The previous prime is 252773387. The next prime is 252773401. The reversal of 252773399 is 993377252.

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

It is a cyclic number.

It is not a de Polignac number, because 252773399 - 2¹² = 252769303 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 (252773329) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 566534 + ... + 566979.

It is an arithmetic number, because the mean of its divisors is an integer number (63476784).

Almost surely, 2^252773399 is an apocalyptic number.

252773399 is a deficient number, since it is larger than the sum of its proper divisors (1133737).

252773399 is a wasteful number, since it uses less digits than its factorization.

252773399 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1133736.

The product of its digits is 714420, while the sum is 47.

The square root of 252773399 is about 15898.8489834956. The cubic root of 252773399 is about 632.2814726236.

The spelling of 252773399 in words is "two hundred fifty-two million, seven hundred seventy-three thousand, three hundred ninety-nine".