696556801 has 4 divisors (see below), whose sum is σ = 696616704. Its totient is φ = 696496900.

The previous prime is 696556799. The next prime is 696556807. The reversal of 696556801 is 108655696.

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, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is not a de Polignac number, because 696556801 - 2¹ = 696556799 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (696556807) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 6265 + ... + 37846.

It is an arithmetic number, because the mean of its divisors is an integer number (174154176).

Almost surely, 2^696556801 is an apocalyptic number.

It is an amenable number.

696556801 is a deficient number, since it is larger than the sum of its proper divisors (59903).

696556801 is a wasteful number, since it uses less digits than its factorization.

696556801 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 59902.

The product of its (nonzero) digits is 388800, while the sum is 46.

The square root of 696556801 is about 26392.3625505562. The cubic root of 696556801 is about 886.4457843114.

The spelling of 696556801 in words is "six hundred ninety-six million, five hundred fifty-six thousand, eight hundred one".