45230513 has 2 divisors, whose sum is σ = 45230514. Its totient is φ = 45230512.

The previous prime is 45230509. The next prime is 45230543. The reversal of 45230513 is 31503254.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 44930209 + 300304 = 6703^2 + 548^2 .

It is a cyclic number.

It is not a de Polignac number, because 45230513 - 2² = 45230509 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is not a weakly prime, because it can be changed into another prime (45230543) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 22615256 + 22615257.

It is an arithmetic number, because the mean of its divisors is an integer number (22615257).

Almost surely, 2^45230513 is an apocalyptic number.

It is an amenable number.

45230513 is a deficient number, since it is larger than the sum of its proper divisors (1).

45230513 is an equidigital number, since it uses as much as digits as its factorization.

45230513 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1800, while the sum is 23.

The square root of 45230513 is about 6725.3634102552. The cubic root of 45230513 is about 356.2956372026.

Adding to 45230513 its reverse (31503254), we get a palindrome (76733767).

The spelling of 45230513 in words is "forty-five million, two hundred thirty thousand, five hundred thirteen".