681232041 has 24 divisors (see below), whose sum is σ = 1190726784. Its totient is φ = 366376320.

The previous prime is 681232039. The next prime is 681232043. The reversal of 681232041 is 140232186.

It is an interprime number because it is at equal distance from previous prime (681232039) and next prime (681232043).

It is not a de Polignac number, because 681232041 - 2¹ = 681232039 is a prime.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 681231996 and 681232014.

It is not an unprimeable number, because it can be changed into a prime (681232043) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 316965 + ... + 319106.

It is an arithmetic number, because the mean of its divisors is an integer number (49613616).

Almost surely, 2^681232041 is an apocalyptic number.

It is an amenable number.

681232041 is a deficient number, since it is larger than the sum of its proper divisors (509494743).

681232041 is a wasteful number, since it uses less digits than its factorization.

681232041 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 636101 (or 636098 counting only the distinct ones).

The product of its (nonzero) digits is 2304, while the sum is 27.

The square root of 681232041 is about 26100.4222379639. The cubic root of 681232041 is about 879.8966997373.

The spelling of 681232041 in words is "six hundred eighty-one million, two hundred thirty-two thousand, forty-one".