46271521 has 4 divisors (see below), whose sum is σ = 46287252. Its totient is φ = 46255792.

The previous prime is 46271509. The next prime is 46271531. The reversal of 46271521 is 12517264.

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 28302400 + 17969121 = 5320^2 + 4239^2 .

It is a cyclic number.

It is not a de Polignac number, because 46271521 - 2¹⁷ = 46140449 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 46271521.

It is not an unprimeable number, because it can be changed into a prime (46271531) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1990 + ... + 9823.

It is an arithmetic number, because the mean of its divisors is an integer number (11571813).

Almost surely, 2^46271521 is an apocalyptic number.

It is an amenable number.

46271521 is a deficient number, since it is larger than the sum of its proper divisors (15731).

46271521 is a wasteful number, since it uses less digits than its factorization.

46271521 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15730.

The product of its digits is 3360, while the sum is 28.

The square root of 46271521 is about 6802.3173257354. The cubic root of 46271521 is about 359.0083848001.

Adding to 46271521 its reverse (12517264), we get a palindrome (58788785).

The spelling of 46271521 in words is "forty-six million, two hundred seventy-one thousand, five hundred twenty-one".