45277253 has 4 divisors (see below), whose sum is σ = 51745440. Its totient is φ = 38809068.

The previous prime is 45277241. The next prime is 45277261. The reversal of 45277253 is 35277254.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 45277253 - 2¹⁰ = 45276229 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (45277223) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3234083 + ... + 3234096.

It is an arithmetic number, because the mean of its divisors is an integer number (12936360).

Almost surely, 2^45277253 is an apocalyptic number.

It is an amenable number.

45277253 is a deficient number, since it is larger than the sum of its proper divisors (6468187).

45277253 is an equidigital number, since it uses as much as digits as its factorization.

45277253 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6468186.

The product of its digits is 58800, while the sum is 35.

The square root of 45277253 is about 6728.8374181578. The cubic root of 45277253 is about 356.4183237396.

Subtracting from 45277253 its reverse (35277254), we obtain a palindrome (9999999).

The spelling of 45277253 in words is "forty-five million, two hundred seventy-seven thousand, two hundred fifty-three".