345223025 has 24 divisors (see below), whose sum is σ = 490147200. Its totient is φ = 236280960.

The previous prime is 345223019. The next prime is 345223051. The reversal of 345223025 is 520322543.

It is not a de Polignac number, because 345223025 - 2⁴ = 345223009 is a prime.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 345222985 and 345223003.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 111701 + ... + 114749.

It is an arithmetic number, because the mean of its divisors is an integer number (20422800).

Almost surely, 2^345223025 is an apocalyptic number.

345223025 is a gapful number since it is divisible by the number (35) formed by its first and last digit.

It is an amenable number.

345223025 is a deficient number, since it is larger than the sum of its proper divisors (144924175).

345223025 is a wasteful number, since it uses less digits than its factorization.

345223025 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3713 (or 3708 counting only the distinct ones).

The product of its (nonzero) digits is 7200, while the sum is 26.

The square root of 345223025 is about 18580.1782822448. The cubic root of 345223025 is about 701.5090065661.

Adding to 345223025 its reverse (520322543), we get a palindrome (865545568).

The spelling of 345223025 in words is "three hundred forty-five million, two hundred twenty-three thousand, twenty-five".