345650537 has 2 divisors, whose sum is σ = 345650538. Its totient is φ = 345650536.

The previous prime is 345650491. The next prime is 345650551. The reversal of 345650537 is 735056543.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 292957456 + 52693081 = 17116^2 + 7259^2 .

It is a cyclic number.

It is not a de Polignac number, because 345650537 - 2¹⁴ = 345634153 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 345650537.

It is not a weakly prime, because it can be changed into another prime (345650587) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 172825268 + 172825269.

It is an arithmetic number, because the mean of its divisors is an integer number (172825269).

Almost surely, 2^345650537 is an apocalyptic number.

It is an amenable number.

345650537 is a deficient number, since it is larger than the sum of its proper divisors (1).

345650537 is an equidigital number, since it uses as much as digits as its factorization.

345650537 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 189000, while the sum is 38.

The square root of 345650537 is about 18591.6792409938. The cubic root of 345650537 is about 701.7984617734.

The spelling of 345650537 in words is "three hundred forty-five million, six hundred fifty thousand, five hundred thirty-seven".