371898313 has 2 divisors, whose sum is σ = 371898314. Its totient is φ = 371898312.

The previous prime is 371898311. The next prime is 371898323. The reversal of 371898313 is 313898173.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 330076224 + 41822089 = 18168^2 + 6467^2 .

It is a cyclic number.

It is not a de Polignac number, because 371898313 - 2¹ = 371898311 is a prime.

Together with 371898311, it forms a pair of twin primes.

It is a self number, because there is not a number n which added to its sum of digits gives 371898313.

It is not a weakly prime, because it can be changed into another prime (371898311) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 185949156 + 185949157.

It is an arithmetic number, because the mean of its divisors is an integer number (185949157).

Almost surely, 2^371898313 is an apocalyptic number.

It is an amenable number.

371898313 is a deficient number, since it is larger than the sum of its proper divisors (1).

371898313 is an equidigital number, since it uses as much as digits as its factorization.

371898313 is an evil number, because the sum of its binary digits is even.

The product of its digits is 108864, while the sum is 43.

The square root of 371898313 is about 19284.6652291400. The cubic root of 371898313 is about 719.1310975272.

The spelling of 371898313 in words is "three hundred seventy-one million, eight hundred ninety-eight thousand, three hundred thirteen".