375858493 has 2 divisors, whose sum is σ = 375858494. Its totient is φ = 375858492.

The previous prime is 375858449. The next prime is 375858517. The reversal of 375858493 is 394858573.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 347524164 + 28334329 = 18642^2 + 5323^2 .

It is an emirp because it is prime and its reverse (394858573) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 375858493 - 2²¹ = 373761341 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 375858493.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (375858403) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 187929246 + 187929247.

It is an arithmetic number, because the mean of its divisors is an integer number (187929247).

Almost surely, 2^375858493 is an apocalyptic number.

It is an amenable number.

375858493 is a deficient number, since it is larger than the sum of its proper divisors (1).

375858493 is an equidigital number, since it uses as much as digits as its factorization.

375858493 is an evil number, because the sum of its binary digits is even.

The product of its digits is 3628800, while the sum is 52.

The square root of 375858493 is about 19387.0702531352. The cubic root of 375858493 is about 721.6746596041.

The spelling of 375858493 in words is "three hundred seventy-five million, eight hundred fifty-eight thousand, four hundred ninety-three".