45525481 has 2 divisors, whose sum is σ = 45525482. Its totient is φ = 45525480.

The previous prime is 45525479. The next prime is 45525499. The reversal of 45525481 is 18452554.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 39175081 + 6350400 = 6259^2 + 2520^2 .

It is a cyclic number.

It is not a de Polignac number, because 45525481 - 2¹ = 45525479 is a prime.

It is a super-2 number, since 2×45525481² = 4145138840562722, which contains 22 as substring.

Together with 45525479, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (45525421) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 22762740 + 22762741.

It is an arithmetic number, because the mean of its divisors is an integer number (22762741).

Almost surely, 2^45525481 is an apocalyptic number.

It is an amenable number.

45525481 is a deficient number, since it is larger than the sum of its proper divisors (1).

45525481 is an equidigital number, since it uses as much as digits as its factorization.

45525481 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 32000, while the sum is 34.

The square root of 45525481 is about 6747.2572946346. The cubic root of 45525481 is about 357.0684796200.

The spelling of 45525481 in words is "forty-five million, five hundred twenty-five thousand, four hundred eighty-one".