345402425 has 24 divisors (see below), whose sum is σ = 456324960. Its totient is φ = 258595200.

The previous prime is 345402397. The next prime is 345402427. The reversal of 345402425 is 524204543.

It is not a de Polignac number, because 345402425 - 2¹² = 345398329 is a prime.

It is not an unprimeable number, because it can be changed into a prime (345402427) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 35045 + ... + 43805.

It is an arithmetic number, because the mean of its divisors is an integer number (19013540).

Almost surely, 2^345402425 is an apocalyptic number.

It is an amenable number.

345402425 is a deficient number, since it is larger than the sum of its proper divisors (110922535).

345402425 is a wasteful number, since it uses less digits than its factorization.

345402425 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8873 (or 8868 counting only the distinct ones).

The product of its (nonzero) digits is 19200, while the sum is 29.

The square root of 345402425 is about 18585.0053806826. The cubic root of 345402425 is about 701.6305018632.

Adding to 345402425 its reverse (524204543), we get a palindrome (869606968).

The spelling of 345402425 in words is "three hundred forty-five million, four hundred two thousand, four hundred twenty-five".