345124425 has 24 divisors (see below), whose sum is σ = 572051680. Its totient is φ = 183600000.

The previous prime is 345124421. The next prime is 345124427. The reversal of 345124425 is 524421543.

It is not a de Polignac number, because 345124425 - 2² = 345124421 is a prime.

It is a super-2 number, since 2×345124425² = 238221737463161250, which contains 22 as substring.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 345124392 and 345124401.

It is not an unprimeable number, because it can be changed into a prime (345124421) 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, 25050 + ... + 36300.

Almost surely, 2^345124425 is an apocalyptic number.

It is an amenable number.

345124425 is a deficient number, since it is larger than the sum of its proper divisors (226927255).

345124425 is a wasteful number, since it uses less digits than its factorization.

345124425 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11673 (or 11668 counting only the distinct ones).

The product of its digits is 19200, while the sum is 30.

The square root of 345124425 is about 18577.5247274765. The cubic root of 345124425 is about 701.4422136339.

Adding to 345124425 its reverse (524421543), we get a palindrome (869545968).

The spelling of 345124425 in words is "three hundred forty-five million, one hundred twenty-four thousand, four hundred twenty-five".