481651 has 2 divisors, whose sum is σ = 481652. Its totient is φ = 481650.

The previous prime is 481639. The next prime is 481667. The reversal of 481651 is 156184.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 481651 - 2⁵ = 481619 is a prime.

It is not a weakly prime, because it can be changed into another prime (481681) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 240825 + 240826.

It is an arithmetic number, because the mean of its divisors is an integer number (240826).

2⁴⁸¹⁶⁵¹ is an apocalyptic number.

481651 is a deficient number, since it is larger than the sum of its proper divisors (1).

481651 is an equidigital number, since it uses as much as digits as its factorization.

481651 is an evil number, because the sum of its binary digits is even.

The product of its digits is 960, while the sum is 25.

The square root of 481651 is about 694.0108068323. The cubic root of 481651 is about 78.3870201856.

The spelling of 481651 in words is "four hundred eighty-one thousand, six hundred fifty-one".