252206783 has 4 divisors (see below), whose sum is σ = 252495240. Its totient is φ = 251918328.

The previous prime is 252206723. The next prime is 252206791. The reversal of 252206783 is 387602252.

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 252206783 - 2¹⁶ = 252141247 is a prime.

It is a super-2 number, since 2×252206783² = 127216522782418178, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (252206723) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 142913 + ... + 144666.

It is an arithmetic number, because the mean of its divisors is an integer number (63123810).

Almost surely, 2^252206783 is an apocalyptic number.

252206783 is a deficient number, since it is larger than the sum of its proper divisors (288457).

252206783 is an equidigital number, since it uses as much as digits as its factorization.

252206783 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 288456.

The product of its (nonzero) digits is 40320, while the sum is 35.

The square root of 252206783 is about 15881.0195831376. The cubic root of 252206783 is about 631.8086791701.

The spelling of 252206783 in words is "two hundred fifty-two million, two hundred six thousand, seven hundred eighty-three".