913242403 has 2 divisors, whose sum is σ = 913242404. Its totient is φ = 913242402.

The previous prime is 913242389. The next prime is 913242419. The reversal of 913242403 is 304242319.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 913242403 - 2¹³ = 913234211 is a prime.

It is not a weakly prime, because it can be changed into another prime (913243403) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 456621201 + 456621202.

It is an arithmetic number, because the mean of its divisors is an integer number (456621202).

Almost surely, 2^913242403 is an apocalyptic number.

913242403 is a deficient number, since it is larger than the sum of its proper divisors (1).

913242403 is an equidigital number, since it uses as much as digits as its factorization.

913242403 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 5184, while the sum is 28.

The square root of 913242403 is about 30219.9007774678. The cubic root of 913242403 is about 970.2016808825.

The spelling of 913242403 in words is "nine hundred thirteen million, two hundred forty-two thousand, four hundred three".