375317213 has 2 divisors, whose sum is σ = 375317214. Its totient is φ = 375317212.

The previous prime is 375317141. The next prime is 375317249. The reversal of 375317213 is 312713573.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 351862564 + 23454649 = 18758^2 + 4843^2 .

It is a cyclic number.

It is not a de Polignac number, because 375317213 - 2²⁰ = 374268637 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 375317213.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (375317263) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 187658606 + 187658607.

It is an arithmetic number, because the mean of its divisors is an integer number (187658607).

Almost surely, 2^375317213 is an apocalyptic number.

It is an amenable number.

375317213 is a deficient number, since it is larger than the sum of its proper divisors (1).

375317213 is an equidigital number, since it uses as much as digits as its factorization.

375317213 is an evil number, because the sum of its binary digits is even.

The product of its digits is 13230, while the sum is 32.

The square root of 375317213 is about 19373.1054041421. The cubic root of 375317213 is about 721.3280613197.

It can be divided in two parts, 37531 and 7213, that added together give a palindrome (44744).

The spelling of 375317213 in words is "three hundred seventy-five million, three hundred seventeen thousand, two hundred thirteen".