373360021 has 2 divisors, whose sum is σ = 373360022. Its totient is φ = 373360020.

The previous prime is 373359983. The next prime is 373360049. The reversal of 373360021 is 120063373.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 370755025 + 2604996 = 19255^2 + 1614^2 .

It is a cyclic number.

It is not a de Polignac number, because 373360021 - 2⁹ = 373359509 is a prime.

It is a super-3 number, since 3×373360021³ (a number of 27 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (373360121) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 186680010 + 186680011.

It is an arithmetic number, because the mean of its divisors is an integer number (186680011).

Almost surely, 2^373360021 is an apocalyptic number.

It is an amenable number.

373360021 is a deficient number, since it is larger than the sum of its proper divisors (1).

373360021 is an equidigital number, since it uses as much as digits as its factorization.

373360021 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2268, while the sum is 25.

The square root of 373360021 is about 19322.5262582303. The cubic root of 373360021 is about 720.0720227592.

The spelling of 373360021 in words is "three hundred seventy-three million, three hundred sixty thousand, twenty-one".