375516493 has 4 divisors (see below), whose sum is σ = 409654368. Its totient is φ = 341378620.

The previous prime is 375516487. The next prime is 375516497. The reversal of 375516493 is 394615573.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 394615573 = 11 ⋅35874143.

It is not a de Polignac number, because 375516493 - 2¹⁷ = 375385421 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (375516497) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 17068921 + ... + 17068942.

It is an arithmetic number, because the mean of its divisors is an integer number (102413592).

Almost surely, 2^375516493 is an apocalyptic number.

It is an amenable number.

375516493 is a deficient number, since it is larger than the sum of its proper divisors (34137875).

375516493 is a wasteful number, since it uses less digits than its factorization.

375516493 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 34137874.

The product of its digits is 340200, while the sum is 43.

The square root of 375516493 is about 19378.2479342174. The cubic root of 375516493 is about 721.4557051875.

It can be divided in two parts, 37551 and 6493, that added together give a palindrome (44044).

The spelling of 375516493 in words is "three hundred seventy-five million, five hundred sixteen thousand, four hundred ninety-three".