45540413 has 2 divisors, whose sum is σ = 45540414. Its totient is φ = 45540412.

The previous prime is 45540401. The next prime is 45540461. The reversal of 45540413 is 31404554.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 45454564 + 85849 = 6742^2 + 293^2 .

It is a cyclic number.

It is not a de Polignac number, because 45540413 - 2⁶ = 45540349 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (45540493) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 22770206 + 22770207.

It is an arithmetic number, because the mean of its divisors is an integer number (22770207).

Almost surely, 2^45540413 is an apocalyptic number.

It is an amenable number.

45540413 is a deficient number, since it is larger than the sum of its proper divisors (1).

45540413 is an equidigital number, since it uses as much as digits as its factorization.

45540413 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 4800, while the sum is 26.

The square root of 45540413 is about 6748.3637276009. The cubic root of 45540413 is about 357.1075139044.

Adding to 45540413 its reverse (31404554), we get a palindrome (76944967).

The spelling of 45540413 in words is "forty-five million, five hundred forty thousand, four hundred thirteen".