345625513 has 2 divisors, whose sum is σ = 345625514. Its totient is φ = 345625512.

The previous prime is 345625471. The next prime is 345625543. The reversal of 345625513 is 315526543.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 339922969 + 5702544 = 18437^2 + 2388^2 .

It is a cyclic number.

It is not a de Polignac number, because 345625513 - 2⁹ = 345625001 is a prime.

It is not a weakly prime, because it can be changed into another prime (345625543) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 172812756 + 172812757.

It is an arithmetic number, because the mean of its divisors is an integer number (172812757).

Almost surely, 2^345625513 is an apocalyptic number.

It is an amenable number.

345625513 is a deficient number, since it is larger than the sum of its proper divisors (1).

345625513 is an equidigital number, since it uses as much as digits as its factorization.

345625513 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 54000, while the sum is 34.

The square root of 345625513 is about 18591.0062395772. The cubic root of 345625513 is about 701.7815253722.

The spelling of 345625513 in words is "three hundred forty-five million, six hundred twenty-five thousand, five hundred thirteen".