46518561 has 24 divisors (see below), whose sum is σ = 69765696. Its totient is φ = 29846880.

The previous prime is 46518557. The next prime is 46518599. The reversal of 46518561 is 16581564.

46518561 is a `hidden beast` number, since 46 + 51 + 8 + 561 = 666.

It is not a de Polignac number, because 46518561 - 2² = 46518557 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (46518541) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 26631 + ... + 28323.

It is an arithmetic number, because the mean of its divisors is an integer number (2906904).

Almost surely, 2^46518561 is an apocalyptic number.

It is an amenable number.

46518561 is a deficient number, since it is larger than the sum of its proper divisors (23247135).

46518561 is a wasteful number, since it uses less digits than its factorization.

46518561 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1813 (or 1810 counting only the distinct ones).

The product of its digits is 28800, while the sum is 36.

The square root of 46518561 is about 6820.4516712605. The cubic root of 46518561 is about 359.6461569522.

The spelling of 46518561 in words is "forty-six million, five hundred eighteen thousand, five hundred sixty-one".