252766403 has 2 divisors, whose sum is σ = 252766404. Its totient is φ = 252766402.

The previous prime is 252766399. The next prime is 252766433. The reversal of 252766403 is 304667252.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 252766403 - 2² = 252766399 is a prime.

It is not a weakly prime, because it can be changed into another prime (252766433) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 126383201 + 126383202.

It is an arithmetic number, because the mean of its divisors is an integer number (126383202).

Almost surely, 2^252766403 is an apocalyptic number.

252766403 is a deficient number, since it is larger than the sum of its proper divisors (1).

252766403 is an equidigital number, since it uses as much as digits as its factorization.

252766403 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 60480, while the sum is 35.

The square root of 252766403 is about 15898.6289660461. The cubic root of 252766403 is about 632.2756393595.

The spelling of 252766403 in words is "two hundred fifty-two million, seven hundred sixty-six thousand, four hundred three".