345520052 has 12 divisors (see below), whose sum is σ = 607014660. Its totient is φ = 172087296.

The previous prime is 345520027. The next prime is 345520069. The reversal of 345520052 is 250025543.

It can be written as a sum of positive squares in 2 ways, for example, as 338780836 + 6739216 = 18406^2 + 2596^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 167027 + ... + 169082.

It is an arithmetic number, because the mean of its divisors is an integer number (50584555).

Almost surely, 2^345520052 is an apocalyptic number.

It is an amenable number.

345520052 is a deficient number, since it is larger than the sum of its proper divisors (261494608).

345520052 is a wasteful number, since it uses less digits than its factorization.

345520052 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 336370 (or 336368 counting only the distinct ones).

The product of its (nonzero) digits is 6000, while the sum is 26.

The square root of 345520052 is about 18588.1696785886. The cubic root of 345520052 is about 701.7101397177.

Adding to 345520052 its reverse (250025543), we get a palindrome (595545595).

The spelling of 345520052 in words is "three hundred forty-five million, five hundred twenty thousand, fifty-two".