44451361 has 2 divisors, whose sum is σ = 44451362. Its totient is φ = 44451360.

The previous prime is 44451359. The next prime is 44451373. The reversal of 44451361 is 16315444.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 43151761 + 1299600 = 6569^2 + 1140^2 .

It is a cyclic number.

It is not a de Polignac number, because 44451361 - 2¹ = 44451359 is a prime.

Together with 44451359, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (44451061) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 22225680 + 22225681.

It is an arithmetic number, because the mean of its divisors is an integer number (22225681).

Almost surely, 2^44451361 is an apocalyptic number.

It is an amenable number.

44451361 is a deficient number, since it is larger than the sum of its proper divisors (1).

44451361 is an equidigital number, since it uses as much as digits as its factorization.

44451361 is an evil number, because the sum of its binary digits is even.

The product of its digits is 5760, while the sum is 28.

The square root of 44451361 is about 6667.1853881529. The cubic root of 44451361 is about 354.2378969503.

The spelling of 44451361 in words is "forty-four million, four hundred fifty-one thousand, three hundred sixty-one".