46021531 has 2 divisors, whose sum is σ = 46021532. Its totient is φ = 46021530.

The previous prime is 46021513. The next prime is 46021537. The reversal of 46021531 is 13512064.

Together with previous prime (46021513) it forms an Ormiston pair, because they use the same digits, order apart.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 46021531 - 2⁷ = 46021403 is a prime.

It is a super-2 number, since 2×46021531² = 4235962631167922, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (46021537) 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 as a sum of consecutive naturals, namely, 23010765 + 23010766.

It is an arithmetic number, because the mean of its divisors is an integer number (23010766).

Almost surely, 2^46021531 is an apocalyptic number.

46021531 is a deficient number, since it is larger than the sum of its proper divisors (1).

46021531 is an equidigital number, since it uses as much as digits as its factorization.

46021531 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 720, while the sum is 22.

The square root of 46021531 is about 6783.9170838093. The cubic root of 46021531 is about 358.3606817177.

Adding to 46021531 its reverse (13512064), we get a palindrome (59533595).

The spelling of 46021531 in words is "forty-six million, twenty-one thousand, five hundred thirty-one".