45561253 has 2 divisors, whose sum is σ = 45561254. Its totient is φ = 45561252.

The previous prime is 45561247. The next prime is 45561277. The reversal of 45561253 is 35216554.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 43256929 + 2304324 = 6577^2 + 1518^2 .

It is a cyclic number.

It is not a de Polignac number, because 45561253 - 2⁹ = 45560741 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (45561203) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 22780626 + 22780627.

It is an arithmetic number, because the mean of its divisors is an integer number (22780627).

Almost surely, 2^45561253 is an apocalyptic number.

It is an amenable number.

45561253 is a deficient number, since it is larger than the sum of its proper divisors (1).

45561253 is an equidigital number, since it uses as much as digits as its factorization.

45561253 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 18000, while the sum is 31.

The square root of 45561253 is about 6749.9076289976. The cubic root of 45561253 is about 357.1619782448.

The spelling of 45561253 in words is "forty-five million, five hundred sixty-one thousand, two hundred fifty-three".