374521 has 4 divisors (see below), whose sum is σ = 428032. Its totient is φ = 321012.

The previous prime is 374501. The next prime is 374531. The reversal of 374521 is 125473.

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: 125473 = 271 ⋅463.

It is a cyclic number.

It is not a de Polignac number, because 374521 - 2⁹ = 374009 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 374492 and 374501.

It is not an unprimeable number, because it can be changed into a prime (374501) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 26745 + ... + 26758.

It is an arithmetic number, because the mean of its divisors is an integer number (107008).

2³⁷⁴⁵²¹ is an apocalyptic number.

It is an amenable number.

374521 is a deficient number, since it is larger than the sum of its proper divisors (53511).

374521 is an equidigital number, since it uses as much as digits as its factorization.

374521 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 53510.

The product of its digits is 840, while the sum is 22.

The square root of 374521 is about 611.9812088618. The cubic root of 374521 is about 72.0817615422.

Adding to 374521 its reverse (125473), we get a palindrome (499994).

The spelling of 374521 in words is "three hundred seventy-four thousand, five hundred twenty-one".