45213053 has 2 divisors, whose sum is σ = 45213054. Its totient is φ = 45213052.

The previous prime is 45213029. The next prime is 45213071. The reversal of 45213053 is 35031254.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 44662489 + 550564 = 6683^2 + 742^2 .

It is a cyclic number.

It is not a de Polignac number, because 45213053 - 2¹⁶ = 45147517 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (45213083) by changing a digit.

It is a good prime.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 22606526 + 22606527.

It is an arithmetic number, because the mean of its divisors is an integer number (22606527).

Almost surely, 2^45213053 is an apocalyptic number.

It is an amenable number.

45213053 is a deficient number, since it is larger than the sum of its proper divisors (1).

45213053 is an equidigital number, since it uses as much as digits as its factorization.

45213053 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1800, while the sum is 23.

The square root of 45213053 is about 6724.0652138420. The cubic root of 45213053 is about 356.2497852466.

The spelling of 45213053 in words is "forty-five million, two hundred thirteen thousand, fifty-three".