681475295 has 8 divisors (see below), whose sum is σ = 825710496. Its totient is φ = 539886816.

The previous prime is 681475283. The next prime is 681475307. The reversal of 681475295 is 592574186.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (681475283) and next prime (681475307).

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-681475295 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 661112 + ... + 662141.

It is an arithmetic number, because the mean of its divisors is an integer number (103213812).

Almost surely, 2^681475295 is an apocalyptic number.

681475295 is a deficient number, since it is larger than the sum of its proper divisors (144235201).

681475295 is a wasteful number, since it uses less digits than its factorization.

681475295 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1323361.

The product of its digits is 604800, while the sum is 47.

The square root of 681475295 is about 26105.0817849705. The cubic root of 681475295 is about 880.0014183001.

The spelling of 681475295 in words is "six hundred eighty-one million, four hundred seventy-five thousand, two hundred ninety-five".