674513401 has 4 divisors (see below), whose sum is σ = 674592400. Its totient is φ = 674434404.

The previous prime is 674513339. The next prime is 674513423. The reversal of 674513401 is 104315476.

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.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-674513401 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (674513461) 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, 24891 + ... + 44368.

It is an arithmetic number, because the mean of its divisors is an integer number (168648100).

Almost surely, 2^674513401 is an apocalyptic number.

It is an amenable number.

674513401 is a deficient number, since it is larger than the sum of its proper divisors (78999).

674513401 is an equidigital number, since it uses as much as digits as its factorization.

674513401 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 78998.

The product of its (nonzero) digits is 10080, while the sum is 31.

The square root of 674513401 is about 25971.3958230974. The cubic root of 674513401 is about 876.9944820353.

Adding to 674513401 its reverse (104315476), we get a palindrome (778828877).

The spelling of 674513401 in words is "six hundred seventy-four million, five hundred thirteen thousand, four hundred one".