674369251 has 4 divisors (see below), whose sum is σ = 675777600. Its totient is φ = 672960904.

The previous prime is 674369237. The next prime is 674369279. The reversal of 674369251 is 152963476.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 674369251 - 2¹³ = 674361059 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 674369198 and 674369207.

It is not an unprimeable number, because it can be changed into a prime (674369221) 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, 703456 + ... + 704413.

It is an arithmetic number, because the mean of its divisors is an integer number (168944400).

Almost surely, 2^674369251 is an apocalyptic number.

674369251 is a deficient number, since it is larger than the sum of its proper divisors (1408349).

674369251 is a wasteful number, since it uses less digits than its factorization.

674369251 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1408348.

The product of its digits is 272160, while the sum is 43.

The square root of 674369251 is about 25968.6205062957. The cubic root of 674369251 is about 876.9320035329.

The spelling of 674369251 in words is "six hundred seventy-four million, three hundred sixty-nine thousand, two hundred fifty-one".