403294253 has 2 divisors, whose sum is σ = 403294254. Its totient is φ = 403294252.

The previous prime is 403294207. The next prime is 403294301. The reversal of 403294253 is 352492304.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 209583529 + 193710724 = 14477^2 + 13918^2 .

It is a cyclic number.

It is not a de Polignac number, because 403294253 - 2¹² = 403290157 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (403294153) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 201647126 + 201647127.

It is an arithmetic number, because the mean of its divisors is an integer number (201647127).

Almost surely, 2^403294253 is an apocalyptic number.

It is an amenable number.

403294253 is a deficient number, since it is larger than the sum of its proper divisors (1).

403294253 is an equidigital number, since it uses as much as digits as its factorization.

403294253 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 25920, while the sum is 32.

The square root of 403294253 is about 20082.1874555537. The cubic root of 403294253 is about 738.8234609243.

The spelling of 403294253 in words is "four hundred three million, two hundred ninety-four thousand, two hundred fifty-three".