680001481 has 4 divisors (see below), whose sum is σ = 685192464. Its totient is φ = 674810500.

The previous prime is 680001467. The next prime is 680001493. The reversal of 680001481 is 184100086.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 680001481 - 2⁵ = 680001449 is a prime.

It is a super-2 number, since 2×680001481² = 924804028324386722, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (680001401) 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, 2595295 + ... + 2595556.

It is an arithmetic number, because the mean of its divisors is an integer number (171298116).

Almost surely, 2^680001481 is an apocalyptic number.

It is an amenable number.

680001481 is a deficient number, since it is larger than the sum of its proper divisors (5190983).

680001481 is a wasteful number, since it uses less digits than its factorization.

680001481 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5190982.

The product of its (nonzero) digits is 1536, while the sum is 28.

The square root of 680001481 is about 26076.8380176738. The cubic root of 680001481 is about 879.3665728336.

The spelling of 680001481 in words is "six hundred eighty million, one thousand, four hundred eighty-one".