46135521 has 16 divisors (see below), whose sum is σ = 68516800. Its totient is φ = 30681504.

The previous prime is 46135513. The next prime is 46135543. The reversal of 46135521 is 12553164.

46135521 is a `hidden beast` number, since 4 + 6 + 135 + 521 = 666.

It is not a de Polignac number, because 46135521 - 2³ = 46135513 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (46135561) 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 15 ways as a sum of consecutive naturals, for example, 10470 + ... + 14208.

It is an arithmetic number, because the mean of its divisors is an integer number (4282300).

Almost surely, 2^46135521 is an apocalyptic number.

It is an amenable number.

46135521 is a deficient number, since it is larger than the sum of its proper divisors (22381279).

46135521 is a wasteful number, since it uses less digits than its factorization.

46135521 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4205 (or 4199 counting only the distinct ones).

The product of its digits is 3600, while the sum is 27.

The square root of 46135521 is about 6792.3133761628. The cubic root of 46135521 is about 358.6563104016.

Adding to 46135521 its reverse (12553164), we get a palindrome (58688685).

It can be divided in two parts, 46135 and 521, that added together give a 6-th power (46656 = 6⁶).

The spelling of 46135521 in words is "forty-six million, one hundred thirty-five thousand, five hundred twenty-one".