45052493 has 2 divisors, whose sum is σ = 45052494. Its totient is φ = 45052492.

The previous prime is 45052489. The next prime is 45052531. The reversal of 45052493 is 39425054.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 44983849 + 68644 = 6707^2 + 262^2 .

It is a cyclic number.

It is not a de Polignac number, because 45052493 - 2² = 45052489 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (45052093) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 22526246 + 22526247.

It is an arithmetic number, because the mean of its divisors is an integer number (22526247).

Almost surely, 2^45052493 is an apocalyptic number.

It is an amenable number.

45052493 is a deficient number, since it is larger than the sum of its proper divisors (1).

45052493 is an equidigital number, since it uses as much as digits as its factorization.

45052493 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 21600, while the sum is 32.

The square root of 45052493 is about 6712.1153893538. The cubic root of 45052493 is about 355.8275818910.

The spelling of 45052493 in words is "forty-five million, fifty-two thousand, four hundred ninety-three".