45028513 has 2 divisors, whose sum is σ = 45028514. Its totient is φ = 45028512.

The previous prime is 45028481. The next prime is 45028531. The reversal of 45028513 is 31582054.

Together with next prime (45028531) it forms an Ormiston pair, because they use the same digits, order apart.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 42094144 + 2934369 = 6488^2 + 1713^2 .

It is a cyclic number.

It is not a de Polignac number, because 45028513 - 2⁵ = 45028481 is a prime.

It is not a weakly prime, because it can be changed into another prime (45028583) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 22514256 + 22514257.

It is an arithmetic number, because the mean of its divisors is an integer number (22514257).

Almost surely, 2^45028513 is an apocalyptic number.

It is an amenable number.

45028513 is a deficient number, since it is larger than the sum of its proper divisors (1).

45028513 is an equidigital number, since it uses as much as digits as its factorization.

45028513 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 4800, while the sum is 28.

The square root of 45028513 is about 6710.3288294986. The cubic root of 45028513 is about 355.7644388091.

The spelling of 45028513 in words is "forty-five million, twenty-eight thousand, five hundred thirteen".