46045621 has 2 divisors, whose sum is σ = 46045622. Its totient is φ = 46045620.

The previous prime is 46045603. The next prime is 46045687. The reversal of 46045621 is 12654064.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 41139396 + 4906225 = 6414^2 + 2215^2 .

It is a cyclic number.

It is not a de Polignac number, because 46045621 - 2²³ = 37657013 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 46045621.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (46045691) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 23022810 + 23022811.

It is an arithmetic number, because the mean of its divisors is an integer number (23022811).

Almost surely, 2^46045621 is an apocalyptic number.

It is an amenable number.

46045621 is a deficient number, since it is larger than the sum of its proper divisors (1).

46045621 is an equidigital number, since it uses as much as digits as its factorization.

46045621 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 5760, while the sum is 28.

The square root of 46045621 is about 6785.6923744007. The cubic root of 46045621 is about 358.4231988539.

Adding to 46045621 its reverse (12654064), we get a palindrome (58699685).

The spelling of 46045621 in words is "forty-six million, forty-five thousand, six hundred twenty-one".