340051403 has 2 divisors, whose sum is σ = 340051404. Its totient is φ = 340051402.

The previous prime is 340051367. The next prime is 340051433. The reversal of 340051403 is 304150043.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 340051403 - 2¹⁴ = 340035019 is a prime.

It is not a weakly prime, because it can be changed into another prime (340051433) 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, 170025701 + 170025702.

It is an arithmetic number, because the mean of its divisors is an integer number (170025702).

Almost surely, 2^340051403 is an apocalyptic number.

340051403 is a deficient number, since it is larger than the sum of its proper divisors (1).

340051403 is an equidigital number, since it uses as much as digits as its factorization.

340051403 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 720, while the sum is 20.

The square root of 340051403 is about 18440.4827214474. The cubic root of 340051403 is about 697.9883763386.

The spelling of 340051403 in words is "three hundred forty million, fifty-one thousand, four hundred three".