46421533 has 2 divisors, whose sum is σ = 46421534. Its totient is φ = 46421532.

The previous prime is 46421483. The next prime is 46421561. The reversal of 46421533 is 33512464.

It is an a-pointer prime, because the next prime (46421561) can be obtained adding 46421533 to its sum of digits (28).

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 45941284 + 480249 = 6778^2 + 693^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-46421533 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (46421833) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 23210766 + 23210767.

It is an arithmetic number, because the mean of its divisors is an integer number (23210767).

Almost surely, 2^46421533 is an apocalyptic number.

It is an amenable number.

46421533 is a deficient number, since it is larger than the sum of its proper divisors (1).

46421533 is an equidigital number, since it uses as much as digits as its factorization.

46421533 is an evil number, because the sum of its binary digits is even.

The product of its digits is 8640, while the sum is 28.

The square root of 46421533 is about 6813.3349396606. The cubic root of 46421533 is about 359.3959339841.

Adding to 46421533 its reverse (33512464), we get a palindrome (79933997).

The spelling of 46421533 in words is "forty-six million, four hundred twenty-one thousand, five hundred thirty-three".