345435401 has 4 divisors (see below), whose sum is σ = 345549204. Its totient is φ = 345321600.

The previous prime is 345435361. The next prime is 345435407. The reversal of 345435401 is 104534543.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 104534543 = 41 ⋅2549623.

It can be written as a sum of positive squares in 2 ways, for example, as 85581001 + 259854400 = 9251^2 + 16120^2 .

It is a cyclic number.

It is not a de Polignac number, because 345435401 - 2¹⁴ = 345419017 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (345435407) 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, 52220 + ... + 58461.

It is an arithmetic number, because the mean of its divisors is an integer number (86387301).

Almost surely, 2^345435401 is an apocalyptic number.

It is an amenable number.

345435401 is a deficient number, since it is larger than the sum of its proper divisors (113803).

345435401 is a wasteful number, since it uses less digits than its factorization.

345435401 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 113802.

The product of its (nonzero) digits is 14400, while the sum is 29.

The square root of 345435401 is about 18585.8925263222. The cubic root of 345435401 is about 701.6528296655.

Adding to 345435401 its reverse (104534543), we get a palindrome (449969944).

The spelling of 345435401 in words is "three hundred forty-five million, four hundred thirty-five thousand, four hundred one".