463421257 has 8 divisors (see below), whose sum is σ = 499891784. Its totient is φ = 427068288.

The previous prime is 463421243. The next prime is 463421261. The reversal of 463421257 is 752124364.

It can be written as a sum of positive squares in 4 ways, for example, as 124456336 + 338964921 = 11156^2 + 18411^2 .

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 463421257 - 2²⁷ = 329203529 is a prime.

It is a super-2 number, since 2×463421257² = 429518522878920098, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (463421297) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 21108 + ... + 37045.

It is an arithmetic number, because the mean of its divisors is an integer number (62486473).

Almost surely, 2^463421257 is an apocalyptic number.

It is an amenable number.

463421257 is a deficient number, since it is larger than the sum of its proper divisors (36470527).

463421257 is a wasteful number, since it uses less digits than its factorization.

463421257 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 58779.

The product of its digits is 40320, while the sum is 34.

The square root of 463421257 is about 21527.2213023418. The cubic root of 463421257 is about 773.8533202495.

The spelling of 463421257 in words is "four hundred sixty-three million, four hundred twenty-one thousand, two hundred fifty-seven".