461556130 has 32 divisors (see below), whose sum is σ = 975154176. Its totient is φ = 153969984.

The previous prime is 461556127. The next prime is 461556133. The reversal of 461556130 is 31655164.

461556130 = 2744² + 2745² + ... + 2803².

It is an interprime number because it is at equal distance from previous prime (461556127) and next prime (461556133).

It is a super-2 number, since 2×461556130² = 426068122281153800, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 461556092 and 461556101.

It is not an unprimeable number, because it can be changed into a prime (461556133) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 86514 + ... + 91693.

It is an arithmetic number, because the mean of its divisors is an integer number (30473568).

Almost surely, 2^461556130 is an apocalyptic number.

461556130 is an abundant number, since it is smaller than the sum of its proper divisors (513598046).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

461556130 is a wasteful number, since it uses less digits than its factorization.

461556130 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 178258.

The product of its (nonzero) digits is 10800, while the sum is 31.

The square root of 461556130 is about 21483.8574283111. The cubic root of 461556130 is about 772.8137510556.

The spelling of 461556130 in words is "four hundred sixty-one million, five hundred fifty-six thousand, one hundred thirty".