675056399 has 4 divisors (see below), whose sum is σ = 675109464. Its totient is φ = 675003336.

The previous prime is 675056363. The next prime is 675056407. The reversal of 675056399 is 993650576.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-675056399 is a prime.

It is a super-2 number, since 2×675056399² = 911402283661694402, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (675055399) 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, 5204 + ... + 37110.

It is an arithmetic number, because the mean of its divisors is an integer number (168777366).

Almost surely, 2^675056399 is an apocalyptic number.

675056399 is a deficient number, since it is larger than the sum of its proper divisors (53065).

675056399 is a wasteful number, since it uses less digits than its factorization.

675056399 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 53064.

The product of its (nonzero) digits is 1530900, while the sum is 50.

The square root of 675056399 is about 25981.8474901228. The cubic root of 675056399 is about 877.2297521429.

The spelling of 675056399 in words is "six hundred seventy-five million, fifty-six thousand, three hundred ninety-nine".