696960001 has 4 divisors (see below), whose sum is σ = 697025092. Its totient is φ = 696894912.

The previous prime is 696959959. The next prime is 696960013. The reversal of 696960001 is 100069696.

It is a Cunningham number, because it is equal to 26400²+1.

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 can be written as a sum of positive squares in 2 ways, for example, as 367718976 + 329241025 = 19176^2 + 18145^2 .

It is a cyclic number.

It is not a de Polignac number, because 696960001 - 2¹⁹ = 696435713 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (696960091) 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, 12276 + ... + 39301.

It is an arithmetic number, because the mean of its divisors is an integer number (174256273).

Almost surely, 2^696960001 is an apocalyptic number.

It is an amenable number.

696960001 is a deficient number, since it is larger than the sum of its proper divisors (65091).

696960001 is a wasteful number, since it uses less digits than its factorization.

696960001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 65090.

The product of its (nonzero) digits is 17496, while the sum is 37.

The square root of 696960001 is about 26400.0000189394. Note that the first 4 decimals coincide. The cubic root of 696960001 is about 886.6167902265.

The spelling of 696960001 in words is "six hundred ninety-six million, nine hundred sixty thousand, one".