252263045 has 6 divisors (see below), whose sum is σ = 302758278. Its totient is φ = 201782024.

The previous prime is 252262993. The next prime is 252263111. The reversal of 252263045 is 540362252.

It can be written as a sum of positive squares in only one way, i.e., 201810436 + 50452609 = 14206^2 + 7103^2 .

It is not a de Polignac number, because 252263045 - 2²² = 248068741 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 252262999 and 252263017.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 31964 + ... + 39066.

It is an arithmetic number, because the mean of its divisors is an integer number (50459713).

Almost surely, 2^252263045 is an apocalyptic number.

It is an amenable number.

252263045 is a deficient number, since it is larger than the sum of its proper divisors (50495233).

252263045 is an frugal number, since it uses more digits than its factorization.

252263045 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14211 (or 7108 counting only the distinct ones).

The product of its (nonzero) digits is 14400, while the sum is 29.

The square root of 252263045 is about 15882.7908441810. The cubic root of 252263045 is about 631.8556567289.

The spelling of 252263045 in words is "two hundred fifty-two million, two hundred sixty-three thousand, forty-five".