461616731 has 4 divisors (see below), whose sum is σ = 461921352. Its totient is φ = 461312112.

The previous prime is 461616713. The next prime is 461616737. The reversal of 461616731 is 137616164.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-461616731 is a prime.

It is a super-2 number, since 2×461616731² = 426180012678252722, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 461616691 and 461616700.

It is not an unprimeable number, because it can be changed into a prime (461616737) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 150026 + ... + 153071.

It is an arithmetic number, because the mean of its divisors is an integer number (115480338).

Almost surely, 2^461616731 is an apocalyptic number.

461616731 is a deficient number, since it is larger than the sum of its proper divisors (304621).

461616731 is a wasteful number, since it uses less digits than its factorization.

461616731 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 304620.

The product of its digits is 18144, while the sum is 35.

The square root of 461616731 is about 21485.2677665418. The cubic root of 461616731 is about 772.8475723206.

The spelling of 461616731 in words is "four hundred sixty-one million, six hundred sixteen thousand, seven hundred thirty-one".