321042037 has 2 divisors, whose sum is σ = 321042038. Its totient is φ = 321042036.

The previous prime is 321042011. The next prime is 321042061. The reversal of 321042037 is 730240123.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 293573956 + 27468081 = 17134^2 + 5241^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-321042037 is a prime.

It is a super-2 number, since 2×321042037² = 206135979042218738, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 321041999 and 321042017.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (321042077) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 160521018 + 160521019.

It is an arithmetic number, because the mean of its divisors is an integer number (160521019).

Almost surely, 2^321042037 is an apocalyptic number.

It is an amenable number.

321042037 is a deficient number, since it is larger than the sum of its proper divisors (1).

321042037 is an equidigital number, since it uses as much as digits as its factorization.

321042037 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1008, while the sum is 22.

The square root of 321042037 is about 17917.6459670348. The cubic root of 321042037 is about 684.7320151581.

The spelling of 321042037 in words is "three hundred twenty-one million, forty-two thousand, thirty-seven".