45539513 has 2 divisors, whose sum is σ = 45539514. Its totient is φ = 45539512.

The previous prime is 45539491. The next prime is 45539519. The reversal of 45539513 is 31593554.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 45265984 + 273529 = 6728^2 + 523^2 .

It is a cyclic number.

It is not a de Polignac number, because 45539513 - 2⁶ = 45539449 is a prime.

It is not a weakly prime, because it can be changed into another prime (45539519) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 22769756 + 22769757.

It is an arithmetic number, because the mean of its divisors is an integer number (22769757).

Almost surely, 2^45539513 is an apocalyptic number.

It is an amenable number.

45539513 is a deficient number, since it is larger than the sum of its proper divisors (1).

45539513 is an equidigital number, since it uses as much as digits as its factorization.

45539513 is an evil number, because the sum of its binary digits is even.

The product of its digits is 40500, while the sum is 35.

The square root of 45539513 is about 6748.2970444402. The cubic root of 45539513 is about 357.1051614233.

The spelling of 45539513 in words is "forty-five million, five hundred thirty-nine thousand, five hundred thirteen".