46215649 has 2 divisors, whose sum is σ = 46215650. Its totient is φ = 46215648.

The previous prime is 46215641. The next prime is 46215661. The reversal of 46215649 is 94651264.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 37601424 + 8614225 = 6132^2 + 2935^2 .

It is a cyclic number.

It is not a de Polignac number, because 46215649 - 2³ = 46215641 is a prime.

It is not a weakly prime, because it can be changed into another prime (46215641) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 23107824 + 23107825.

It is an arithmetic number, because the mean of its divisors is an integer number (23107825).

Almost surely, 2^46215649 is an apocalyptic number.

It is an amenable number.

46215649 is a deficient number, since it is larger than the sum of its proper divisors (1).

46215649 is an equidigital number, since it uses as much as digits as its factorization.

46215649 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 51840, while the sum is 37.

The square root of 46215649 is about 6798.2092495009. The cubic root of 46215649 is about 358.8638279547.

It can be divided in two parts, 46215 and 649, that added together give a palindrome (46864).

The spelling of 46215649 in words is "forty-six million, two hundred fifteen thousand, six hundred forty-nine".