674952251 has 4 divisors (see below), whose sum is σ = 686017104. Its totient is φ = 663887400.

The previous prime is 674952247. The next prime is 674952253. The reversal of 674952251 is 152259476.

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

It is not a de Polignac number, because 674952251 - 2² = 674952247 is a prime.

It is a super-2 number, since 2×674952251² = 911121082259934002, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 674952199 and 674952208.

It is not an unprimeable number, because it can be changed into a prime (674952253) 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, 5532335 + ... + 5532456.

It is an arithmetic number, because the mean of its divisors is an integer number (171504276).

Almost surely, 2^674952251 is an apocalyptic number.

674952251 is a gapful number since it is divisible by the number (61) formed by its first and last digit.

674952251 is a deficient number, since it is larger than the sum of its proper divisors (11064853).

674952251 is a wasteful number, since it uses less digits than its factorization.

674952251 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11064852.

The product of its digits is 151200, while the sum is 41.

The square root of 674952251 is about 25979.8431673480. The cubic root of 674952251 is about 877.1846366912.

The spelling of 674952251 in words is "six hundred seventy-four million, nine hundred fifty-two thousand, two hundred fifty-one".