345003250 has 16 divisors (see below), whose sum is σ = 645846552. Its totient is φ = 138001200.

The previous prime is 345003221. The next prime is 345003299. The reversal of 345003250 is 52300543.

It can be written as a sum of positive squares in 4 ways, for example, as 28483569 + 316519681 = 5337^2 + 17791^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 689757 + ... + 690256.

Almost surely, 2^345003250 is an apocalyptic number.

345003250 is a deficient number, since it is larger than the sum of its proper divisors (300843302).

345003250 is a wasteful number, since it uses less digits than its factorization.

345003250 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1380030 (or 1380020 counting only the distinct ones).

The product of its (nonzero) digits is 1800, while the sum is 22.

The square root of 345003250 is about 18574.2631078598. The cubic root of 345003250 is about 701.3601106746.

Adding to 345003250 its reverse (52300543), we get a palindrome (397303793).

The spelling of 345003250 in words is "three hundred forty-five million, three thousand, two hundred fifty".