45202013 has 2 divisors, whose sum is σ = 45202014. Its totient is φ = 45202012.

The previous prime is 45202009. The next prime is 45202021. The reversal of 45202013 is 31020254.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 24970009 + 20232004 = 4997^2 + 4498^2 .

It is a cyclic number.

It is not a de Polignac number, because 45202013 - 2² = 45202009 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 45201982 and 45202000.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (45202093) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 22601006 + 22601007.

It is an arithmetic number, because the mean of its divisors is an integer number (22601007).

Almost surely, 2^45202013 is an apocalyptic number.

It is an amenable number.

45202013 is a deficient number, since it is larger than the sum of its proper divisors (1).

45202013 is an equidigital number, since it uses as much as digits as its factorization.

45202013 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 240, while the sum is 17.

The square root of 45202013 is about 6723.2442317679. The cubic root of 45202013 is about 356.2207868525.

Adding to 45202013 its reverse (31020254), we get a palindrome (76222267).

The spelling of 45202013 in words is "forty-five million, two hundred two thousand, thirteen".