45363121 has 2 divisors, whose sum is σ = 45363122. Its totient is φ = 45363120.

The previous prime is 45363119. The next prime is 45363133. The reversal of 45363121 is 12136354.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 42510400 + 2852721 = 6520^2 + 1689^2 .

It is a cyclic number.

It is not a de Polignac number, because 45363121 - 2¹ = 45363119 is a prime.

Together with 45363119, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (45363161) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 22681560 + 22681561.

It is an arithmetic number, because the mean of its divisors is an integer number (22681561).

Almost surely, 2^45363121 is an apocalyptic number.

It is an amenable number.

45363121 is a deficient number, since it is larger than the sum of its proper divisors (1).

45363121 is an equidigital number, since it uses as much as digits as its factorization.

45363121 is an evil number, because the sum of its binary digits is even.

The product of its digits is 2160, while the sum is 25.

The square root of 45363121 is about 6735.2149928566. The cubic root of 45363121 is about 356.6434964228.

Adding to 45363121 its reverse (12136354), we get a palindrome (57499475).

The spelling of 45363121 in words is "forty-five million, three hundred sixty-three thousand, one hundred twenty-one".