462531661 has 2 divisors, whose sum is σ = 462531662. Its totient is φ = 462531660.

The previous prime is 462531613. The next prime is 462531673. The reversal of 462531661 is 166135264.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 452412900 + 10118761 = 21270^2 + 3181^2 .

It is a cyclic number.

It is not a de Polignac number, because 462531661 - 2⁷ = 462531533 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (462531691) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 231265830 + 231265831.

It is an arithmetic number, because the mean of its divisors is an integer number (231265831).

Almost surely, 2^462531661 is an apocalyptic number.

It is an amenable number.

462531661 is a deficient number, since it is larger than the sum of its proper divisors (1).

462531661 is an equidigital number, since it uses as much as digits as its factorization.

462531661 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 25920, while the sum is 34.

The square root of 462531661 is about 21506.5492583073. The cubic root of 462531661 is about 773.3578331310.

The spelling of 462531661 in words is "four hundred sixty-two million, five hundred thirty-one thousand, six hundred sixty-one".