345630037 has 2 divisors, whose sum is σ = 345630038. Its totient is φ = 345630036.

The previous prime is 345630031. The next prime is 345630053. The reversal of 345630037 is 730036543.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 341843121 + 3786916 = 18489^2 + 1946^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-345630037 is a prime.

It is equal to p_18581251 and since 345630037 and 18581251 have the same sum of digits, it is a Honaker prime.

It is a junction number, because it is equal to n+sod(n) for n = 345629990 and 345630008.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (345630031) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 172815018 + 172815019.

It is an arithmetic number, because the mean of its divisors is an integer number (172815019).

Almost surely, 2^345630037 is an apocalyptic number.

It is an amenable number.

345630037 is a deficient number, since it is larger than the sum of its proper divisors (1).

345630037 is an equidigital number, since it uses as much as digits as its factorization.

345630037 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 22680, while the sum is 31.

The square root of 345630037 is about 18591.1279109149. The cubic root of 345630037 is about 701.7845873045.

The spelling of 345630037 in words is "three hundred forty-five million, six hundred thirty thousand, thirty-seven".