374825521 has 8 divisors (see below), whose sum is σ = 450918080. Its totient is φ = 304369488.

The previous prime is 374825519. The next prime is 374825531. The reversal of 374825521 is 125528473.

374825521 = T₃₅₉₈ + T₃₅₉₉ + ... + T₃₆₅₄.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 374825521 - 2¹ = 374825519 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (374825531) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1408986 + ... + 1409251.

It is an arithmetic number, because the mean of its divisors is an integer number (56364760).

Almost surely, 2^374825521 is an apocalyptic number.

It is an amenable number.

374825521 is a deficient number, since it is larger than the sum of its proper divisors (76092559).

374825521 is a wasteful number, since it uses less digits than its factorization.

374825521 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2818263.

The product of its digits is 67200, while the sum is 37.

The square root of 374825521 is about 19360.4111784848. The cubic root of 374825521 is about 721.0129267978.

The spelling of 374825521 in words is "three hundred seventy-four million, eight hundred twenty-five thousand, five hundred twenty-one".