345513401 has 4 divisors (see below), whose sum is σ = 346043172. Its totient is φ = 344983632.

The previous prime is 345513391. The next prime is 345513419. The reversal of 345513401 is 104315543.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 193237801 + 152275600 = 13901^2 + 12340^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-345513401 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (345513431) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 263906 + ... + 265211.

It is an arithmetic number, because the mean of its divisors is an integer number (86510793).

Almost surely, 2^345513401 is an apocalyptic number.

It is an amenable number.

345513401 is a deficient number, since it is larger than the sum of its proper divisors (529771).

345513401 is an equidigital number, since it uses as much as digits as its factorization.

345513401 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 529770.

The product of its (nonzero) digits is 3600, while the sum is 26.

The square root of 345513401 is about 18587.9907736151. The cubic root of 345513401 is about 701.7056372255.

Adding to 345513401 its reverse (104315543), we get a palindrome (449828944).

The spelling of 345513401 in words is "three hundred forty-five million, five hundred thirteen thousand, four hundred one".