681154001 has 8 divisors (see below), whose sum is σ = 768700800. Its totient is φ = 597877840.

The previous prime is 681153973. The next prime is 681154027. The reversal of 681154001 is 100451186.

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

It is a cyclic number.

It is not a de Polignac number, because 681154001 - 2¹⁰ = 681152977 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (681154031) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1067321 + ... + 1067958.

It is an arithmetic number, because the mean of its divisors is an integer number (96087600).

Almost surely, 2^681154001 is an apocalyptic number.

It is an amenable number.

681154001 is a deficient number, since it is larger than the sum of its proper divisors (87546799).

681154001 is a wasteful number, since it uses less digits than its factorization.

681154001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2135319.

The product of its (nonzero) digits is 960, while the sum is 26.

The square root of 681154001 is about 26098.9272001743. The cubic root of 681154001 is about 879.8630989687.

The spelling of 681154001 in words is "six hundred eighty-one million, one hundred fifty-four thousand, one".