340425401 has 2 divisors, whose sum is σ = 340425402. Its totient is φ = 340425400.

The previous prime is 340425383. The next prime is 340425427. The reversal of 340425401 is 104524043.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 336906025 + 3519376 = 18355^2 + 1876^2 .

It is a cyclic number.

It is not a de Polignac number, because 340425401 - 2²² = 336231097 is a prime.

It is not a weakly prime, because it can be changed into another prime (340425301) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 170212700 + 170212701.

It is an arithmetic number, because the mean of its divisors is an integer number (170212701).

Almost surely, 2^340425401 is an apocalyptic number.

It is an amenable number.

340425401 is a deficient number, since it is larger than the sum of its proper divisors (1).

340425401 is an equidigital number, since it uses as much as digits as its factorization.

340425401 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1920, while the sum is 23.

The square root of 340425401 is about 18450.6206128683. The cubic root of 340425401 is about 698.2441716007.

Adding to 340425401 its reverse (104524043), we get a palindrome (444949444).

The spelling of 340425401 in words is "three hundred forty million, four hundred twenty-five thousand, four hundred one".