252555783 has 4 divisors (see below), whose sum is σ = 336741048. Its totient is φ = 168370520.

The previous prime is 252555781. The next prime is 252555827. The reversal of 252555783 is 387555252.

It is a happy number.

252555783 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 252555783 - 2¹ = 252555781 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (252555781) 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, 42092628 + ... + 42092633.

It is an arithmetic number, because the mean of its divisors is an integer number (84185262).

Almost surely, 2^252555783 is an apocalyptic number.

252555783 is a deficient number, since it is larger than the sum of its proper divisors (84185265).

252555783 is an equidigital number, since it uses as much as digits as its factorization.

252555783 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 84185264.

The product of its digits is 420000, while the sum is 42.

The square root of 252555783 is about 15892.0037440217. The cubic root of 252555783 is about 632.0999740033.

The spelling of 252555783 in words is "two hundred fifty-two million, five hundred fifty-five thousand, seven hundred eighty-three".