42910403 has 2 divisors, whose sum is σ = 42910404. Its totient is φ = 42910402.

The previous prime is 42910393. The next prime is 42910429. The reversal of 42910403 is 30401924.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 42910403 - 2¹⁰ = 42909379 is a prime.

It is a Sophie Germain prime.

It is not a weakly prime, because it can be changed into another prime (42910453) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 21455201 + 21455202.

It is an arithmetic number, because the mean of its divisors is an integer number (21455202).

Almost surely, 2^42910403 is an apocalyptic number.

42910403 is a deficient number, since it is larger than the sum of its proper divisors (1).

42910403 is an equidigital number, since it uses as much as digits as its factorization.

42910403 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 864, while the sum is 23.

The square root of 42910403 is about 6550.6032546629. The cubic root of 42910403 is about 350.0963081907.

The spelling of 42910403 in words is "forty-two million, nine hundred ten thousand, four hundred three".