252486643 has 2 divisors, whose sum is σ = 252486644. Its totient is φ = 252486642.

The previous prime is 252486613. The next prime is 252486683. The reversal of 252486643 is 346684252.

It is an a-pointer prime, because the next prime (252486683) can be obtained adding 252486643 to its sum of digits (40).

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 252486643 - 2²⁵ = 218932211 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 252486596 and 252486605.

It is not a weakly prime, because it can be changed into another prime (252486613) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 126243321 + 126243322.

It is an arithmetic number, because the mean of its divisors is an integer number (126243322).

Almost surely, 2^252486643 is an apocalyptic number.

252486643 is a deficient number, since it is larger than the sum of its proper divisors (1).

252486643 is an equidigital number, since it uses as much as digits as its factorization.

252486643 is an evil number, because the sum of its binary digits is even.

The product of its digits is 276480, while the sum is 40.

The square root of 252486643 is about 15889.8282873038. The cubic root of 252486643 is about 632.0422872348.

The spelling of 252486643 in words is "two hundred fifty-two million, four hundred eighty-six thousand, six hundred forty-three".