45350581 has 2 divisors, whose sum is σ = 45350582. Its totient is φ = 45350580.

The previous prime is 45350579. The next prime is 45350603. The reversal of 45350581 is 18505354.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 26946481 + 18404100 = 5191^2 + 4290^2 .

It is a cyclic number.

It is not a de Polignac number, because 45350581 - 2¹ = 45350579 is a prime.

It is a super-2 number, since 2×45350581² = 4113350394075122, which contains 22 as substring.

Together with 45350579, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (45350521) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 22675290 + 22675291.

It is an arithmetic number, because the mean of its divisors is an integer number (22675291).

Almost surely, 2^45350581 is an apocalyptic number.

It is an amenable number.

45350581 is a deficient number, since it is larger than the sum of its proper divisors (1).

45350581 is an equidigital number, since it uses as much as digits as its factorization.

45350581 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 12000, while the sum is 31.

The square root of 45350581 is about 6734.2840005453. The cubic root of 45350581 is about 356.6106303596.

The spelling of 45350581 in words is "forty-five million, three hundred fifty thousand, five hundred eighty-one".