252355547 has 2 divisors, whose sum is σ = 252355548. Its totient is φ = 252355546.

The previous prime is 252355529. The next prime is 252355561. The reversal of 252355547 is 745553252.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 252355547 - 2⁸ = 252355291 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 252355547.

It is not a weakly prime, because it can be changed into another prime (252355247) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 126177773 + 126177774.

It is an arithmetic number, because the mean of its divisors is an integer number (126177774).

Almost surely, 2^252355547 is an apocalyptic number.

252355547 is a deficient number, since it is larger than the sum of its proper divisors (1).

252355547 is an equidigital number, since it uses as much as digits as its factorization.

252355547 is an evil number, because the sum of its binary digits is even.

The product of its digits is 210000, while the sum is 38.

The square root of 252355547 is about 15885.7025969895. The cubic root of 252355547 is about 631.9328787273.

The spelling of 252355547 in words is "two hundred fifty-two million, three hundred fifty-five thousand, five hundred forty-seven".