45986521 has 8 divisors (see below), whose sum is σ = 52634880. Its totient is φ = 39357888.

The previous prime is 45986519. The next prime is 45986527. The reversal of 45986521 is 12568954.

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

It is a cyclic number.

It is not a de Polignac number, because 45986521 - 2¹ = 45986519 is a prime.

It is a super-2 number, since 2×45986521² = 4229520227366882, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (45986527) 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, 465 + ... + 9601.

It is an arithmetic number, because the mean of its divisors is an integer number (6579360).

Almost surely, 2^45986521 is an apocalyptic number.

It is an amenable number.

45986521 is a deficient number, since it is larger than the sum of its proper divisors (6648359).

45986521 is an equidigital number, since it uses as much as digits as its factorization.

45986521 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9863.

The product of its digits is 86400, while the sum is 40.

The square root of 45986521 is about 6781.3362252583. The cubic root of 45986521 is about 358.2697866521.

The spelling of 45986521 in words is "forty-five million, nine hundred eighty-six thousand, five hundred twenty-one".