46021281 has 8 divisors (see below), whose sum is σ = 61449024. Its totient is φ = 30637200.

The previous prime is 46021279. The next prime is 46021307. The reversal of 46021281 is 18212064.

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

It is not a de Polignac number, because 46021281 - 2¹ = 46021279 is a prime.

It is a super-2 number, since 2×46021281² = 4235916609761922, which contains 22 as substring.

It is a Smith number, since the sum of its digits (24) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is not an unprimeable number, because it can be changed into a prime (46021181) 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, 8370 + ... + 12731.

It is an arithmetic number, because the mean of its divisors is an integer number (7681128).

Almost surely, 2^46021281 is an apocalyptic number.

It is an amenable number.

46021281 is a deficient number, since it is larger than the sum of its proper divisors (15427743).

46021281 is a wasteful number, since it uses less digits than its factorization.

46021281 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21831.

The product of its (nonzero) digits is 768, while the sum is 24.

The square root of 46021281 is about 6783.8986578515. The cubic root of 46021281 is about 358.3600328162.

The spelling of 46021281 in words is "forty-six million, twenty-one thousand, two hundred eighty-one".