45251827 has 4 divisors (see below), whose sum is σ = 45322416. Its totient is φ = 45181240.

The previous prime is 45251821. The next prime is 45251837. The reversal of 45251827 is 72815254.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 45251827 - 2³ = 45251819 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 45251792 and 45251801.

It is not an unprimeable number, because it can be changed into a prime (45251821) 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, 34324 + ... + 35617.

It is an arithmetic number, because the mean of its divisors is an integer number (11330604).

Almost surely, 2^45251827 is an apocalyptic number.

45251827 is a deficient number, since it is larger than the sum of its proper divisors (70589).

45251827 is an equidigital number, since it uses as much as digits as its factorization.

45251827 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 70588.

The product of its digits is 22400, while the sum is 34.

The square root of 45251827 is about 6726.9478220066. The cubic root of 45251827 is about 356.3515942116.

The spelling of 45251827 in words is "forty-five million, two hundred fifty-one thousand, eight hundred twenty-seven".