46561861 has 4 divisors (see below), whose sum is σ = 49300812. Its totient is φ = 43822912.

The previous prime is 46561859. The next prime is 46561877. The reversal of 46561861 is 16816564.

46561861 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It can be written as a sum of positive squares in 2 ways, for example, as 33709636 + 12852225 = 5806^2 + 3585^2 .

It is a cyclic number.

It is not a de Polignac number, because 46561861 - 2¹ = 46561859 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 46561861.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (46561811) 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 3 ways as a sum of consecutive naturals, for example, 1369450 + ... + 1369483.

It is an arithmetic number, because the mean of its divisors is an integer number (12325203).

Almost surely, 2^46561861 is an apocalyptic number.

It is an amenable number.

46561861 is a deficient number, since it is larger than the sum of its proper divisors (2738951).

46561861 is a wasteful number, since it uses less digits than its factorization.

46561861 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2738950.

The product of its digits is 34560, while the sum is 37.

The square root of 46561861 is about 6823.6252095202. The cubic root of 46561861 is about 359.7577099109.

It can be divided in two parts, 465 and 61861, that added together give a palindrome (62326).

The spelling of 46561861 in words is "forty-six million, five hundred sixty-one thousand, eight hundred sixty-one".