340075403 has 2 divisors, whose sum is σ = 340075404. Its totient is φ = 340075402.

The previous prime is 340075397. The next prime is 340075453. The reversal of 340075403 is 304570043.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 340075403 - 2⁶ = 340075339 is a prime.

It is a super-2 number, since 2×340075403² = 231302559451224818, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (340075453) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 170037701 + 170037702.

It is an arithmetic number, because the mean of its divisors is an integer number (170037702).

Almost surely, 2^340075403 is an apocalyptic number.

340075403 is a deficient number, since it is larger than the sum of its proper divisors (1).

340075403 is an equidigital number, since it uses as much as digits as its factorization.

340075403 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 5040, while the sum is 26.

The square root of 340075403 is about 18441.1334521498. The cubic root of 340075403 is about 698.0047967257.

The spelling of 340075403 in words is "three hundred forty million, seventy-five thousand, four hundred three".