345525401 has 12 divisors (see below), whose sum is σ = 387055980. Its totient is φ = 307944000.

The previous prime is 345525379. The next prime is 345525413. The reversal of 345525401 is 104525543.

It can be written as a sum of positive squares in 6 ways, for example, as 24255625 + 321269776 = 4925^2 + 17924^2 .

It is a de Polignac number, because none of the positive numbers 2^k-345525401 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (29).

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (345525451) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 30350 + ... + 40151.

It is an arithmetic number, because the mean of its divisors is an integer number (32254665).

Almost surely, 2^345525401 is an apocalyptic number.

It is an amenable number.

345525401 is a deficient number, since it is larger than the sum of its proper divisors (41530579).

345525401 is a wasteful number, since it uses less digits than its factorization.

345525401 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 70556 (or 70543 counting only the distinct ones).

The product of its (nonzero) digits is 12000, while the sum is 29.

The square root of 345525401 is about 18588.3135598687. The cubic root of 345525401 is about 701.7137607600.

The spelling of 345525401 in words is "three hundred forty-five million, five hundred twenty-five thousand, four hundred one".