46521681 has 8 divisors (see below), whose sum is σ = 63348864. Its totient is φ = 30354480.

The previous prime is 46521647. The next prime is 46521689. The reversal of 46521681 is 18612564.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 46521681 - 2⁹ = 46521169 is a prime.

It is a super-3 number, since 3×46521681³ (a number of 24 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is not an unprimeable number, because it can be changed into a prime (46521689) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 164830 + ... + 165111.

It is an arithmetic number, because the mean of its divisors is an integer number (7918608).

Almost surely, 2^46521681 is an apocalyptic number.

It is an amenable number.

46521681 is a deficient number, since it is larger than the sum of its proper divisors (16827183).

46521681 is a wasteful number, since it uses less digits than its factorization.

46521681 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 329991.

The product of its digits is 11520, while the sum is 33.

The square root of 46521681 is about 6820.6803912806. The cubic root of 46521681 is about 359.6541972620.

The spelling of 46521681 in words is "forty-six million, five hundred twenty-one thousand, six hundred eighty-one".