321410345 has 16 divisors (see below), whose sum is σ = 390495168. Its totient is φ = 253942080.

The previous prime is 321410339. The next prime is 321410351. The reversal of 321410345 is 543014123.

It is an interprime number because it is at equal distance from previous prime (321410339) and next prime (321410351).

It is not a de Polignac number, because 321410345 - 2¹² = 321406249 is a prime.

It is an alternating number because its digits alternate between odd and even.

It is a Duffinian number.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 321410345.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 224522 + ... + 225948.

It is an arithmetic number, because the mean of its divisors is an integer number (24405948).

Almost surely, 2^321410345 is an apocalyptic number.

It is an amenable number.

321410345 is a deficient number, since it is larger than the sum of its proper divisors (69084823).

321410345 is a wasteful number, since it uses less digits than its factorization.

321410345 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1960.

The product of its (nonzero) digits is 1440, while the sum is 23.

The square root of 321410345 is about 17927.9208220028. The cubic root of 321410345 is about 684.9937627080.

Adding to 321410345 its reverse (543014123), we get a palindrome (864424468).

The spelling of 321410345 in words is "three hundred twenty-one million, four hundred ten thousand, three hundred forty-five".