45673253 has 4 divisors (see below), whose sum is σ = 46298988. Its totient is φ = 45047520.

The previous prime is 45673223. The next prime is 45673259. The reversal of 45673253 is 35237654.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 35237654 = 2 ⋅17618827.

It can be written as a sum of positive squares in 2 ways, for example, as 31550689 + 14122564 = 5617^2 + 3758^2 .

It is a cyclic number.

It is not a de Polignac number, because 45673253 - 2⁶ = 45673189 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (45673259) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 312758 + ... + 312903.

It is an arithmetic number, because the mean of its divisors is an integer number (11574747).

Almost surely, 2^45673253 is an apocalyptic number.

It is an amenable number.

45673253 is a deficient number, since it is larger than the sum of its proper divisors (625735).

45673253 is an equidigital number, since it uses as much as digits as its factorization.

45673253 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 625734.

The product of its digits is 75600, while the sum is 35.

The square root of 45673253 is about 6758.1989464650. The cubic root of 45673253 is about 357.4544007565.

The spelling of 45673253 in words is "forty-five million, six hundred seventy-three thousand, two hundred fifty-three".