696125666501 has 2 divisors, whose sum is σ = 696125666502. Its totient is φ = 696125666500.

The previous prime is 696125666477. The next prime is 696125666539. The reversal of 696125666501 is 105666521696.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 692225664001 + 3900002500 = 832001^2 + 62450^2 .

It is a cyclic number.

It is not a de Polignac number, because 696125666501 - 2²⁶ = 696058557637 is a prime.

It is a super-2 number, since 2×696125666501² (a number of 24 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (696125666101) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 348062833250 + 348062833251.

It is an arithmetic number, because the mean of its divisors is an integer number (348062833251).

Almost surely, 2^696125666501 is an apocalyptic number.

It is an amenable number.

696125666501 is a deficient number, since it is larger than the sum of its proper divisors (1).

696125666501 is an equidigital number, since it uses as much as digits as its factorization.

696125666501 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 3499200, while the sum is 53.

The spelling of 696125666501 in words is "six hundred ninety-six billion, one hundred twenty-five million, six hundred sixty-six thousand, five hundred one".