46887521 has 4 divisors (see below), whose sum is σ = 47092500. Its totient is φ = 46682544.

The previous prime is 46887517. The next prime is 46887523. The reversal of 46887521 is 12578864.

46887521 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 42393121 + 4494400 = 6511^2 + 2120^2 .

It is a cyclic number.

It is not a de Polignac number, because 46887521 - 2² = 46887517 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (46887523) 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, 102146 + ... + 102603.

It is an arithmetic number, because the mean of its divisors is an integer number (11773125).

Almost surely, 2^46887521 is an apocalyptic number.

It is an amenable number.

46887521 is a deficient number, since it is larger than the sum of its proper divisors (204979).

46887521 is a wasteful number, since it uses less digits than its factorization.

46887521 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 204978.

The product of its digits is 107520, while the sum is 41.

The square root of 46887521 is about 6847.4463123123. The cubic root of 46887521 is about 360.5944935532.

The spelling of 46887521 in words is "forty-six million, eight hundred eighty-seven thousand, five hundred twenty-one".