46451313 has 10 divisors (see below), whose sum is σ = 69390354. Its totient is φ = 30967488.

The previous prime is 46451311. The next prime is 46451351. The reversal of 46451313 is 31315464.

46451313 is a `hidden beast` number, since 4 + 645 + 1 + 3 + 13 = 666.

It can be written as a sum of positive squares in only one way, i.e., 42810849 + 3640464 = 6543^2 + 1908^2 .

It is not a de Polignac number, because 46451313 - 2¹ = 46451311 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (46451311) by changing a digit.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 286656 + ... + 286817.

Almost surely, 2^46451313 is an apocalyptic number.

It is an amenable number.

46451313 is a deficient number, since it is larger than the sum of its proper divisors (22939041).

46451313 is an equidigital number, since it uses as much as digits as its factorization.

46451313 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 573485 (or 573476 counting only the distinct ones).

The product of its digits is 4320, while the sum is 27.

The square root of 46451313 is about 6815.5200095077. The cubic root of 46451313 is about 359.4727699003.

Adding to 46451313 its reverse (31315464), we get a palindrome (77766777).

It can be divided in two parts, 46451 and 313, that added together give a palindrome (46764).

The spelling of 46451313 in words is "forty-six million, four hundred fifty-one thousand, three hundred thirteen".