45531503 has 2 divisors, whose sum is σ = 45531504. Its totient is φ = 45531502.

The previous prime is 45531469. The next prime is 45531511. The reversal of 45531503 is 30513554.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 45531503 - 2¹² = 45527407 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (45531583) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 22765751 + 22765752.

It is an arithmetic number, because the mean of its divisors is an integer number (22765752).

Almost surely, 2^45531503 is an apocalyptic number.

45531503 is a deficient number, since it is larger than the sum of its proper divisors (1).

45531503 is an equidigital number, since it uses as much as digits as its factorization.

45531503 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 4500, while the sum is 26.

The square root of 45531503 is about 6747.7035352778. The cubic root of 45531503 is about 357.0842229761.

The spelling of 45531503 in words is "forty-five million, five hundred thirty-one thousand, five hundred three".