674252485 has 8 divisors (see below), whose sum is σ = 824369400. Its totient is φ = 529224384.

The previous prime is 674252477. The next prime is 674252497. The reversal of 674252485 is 584252476.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 358799364 + 315453121 = 18942^2 + 17761^2 .

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 674252485 - 2³ = 674252477 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1271910 + ... + 1272439.

It is an arithmetic number, because the mean of its divisors is an integer number (103046175).

Almost surely, 2^674252485 is an apocalyptic number.

It is an amenable number.

674252485 is a deficient number, since it is larger than the sum of its proper divisors (150116915).

674252485 is a wasteful number, since it uses less digits than its factorization.

674252485 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2544407.

The product of its digits is 537600, while the sum is 43.

The square root of 674252485 is about 25966.3721955917. The cubic root of 674252485 is about 876.8813874683.

Subtracting from 674252485 its reverse (584252476), we obtain a palindrome (90000009).

The spelling of 674252485 in words is "six hundred seventy-four million, two hundred fifty-two thousand, four hundred eighty-five".