252843047 has 4 divisors (see below), whose sum is σ = 252889200. Its totient is φ = 252796896.

The previous prime is 252843043. The next prime is 252843113. The reversal of 252843047 is 740348252.

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 252843047 - 2² = 252843043 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 252842998 and 252843016.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (252843043) 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, 13547 + ... + 26252.

It is an arithmetic number, because the mean of its divisors is an integer number (63222300).

Almost surely, 2^252843047 is an apocalyptic number.

252843047 is a deficient number, since it is larger than the sum of its proper divisors (46153).

252843047 is an equidigital number, since it uses as much as digits as its factorization.

252843047 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 46152.

The product of its (nonzero) digits is 53760, while the sum is 35.

The square root of 252843047 is about 15901.0391798775. The cubic root of 252843047 is about 632.3395392506.

The spelling of 252843047 in words is "two hundred fifty-two million, eight hundred forty-three thousand, forty-seven".