45503501 has 2 divisors, whose sum is σ = 45503502. Its totient is φ = 45503500.

The previous prime is 45503489. The next prime is 45503527. The reversal of 45503501 is 10530554.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 25745476 + 19758025 = 5074^2 + 4445^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-45503501 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (45503551) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 22751750 + 22751751.

It is an arithmetic number, because the mean of its divisors is an integer number (22751751).

Almost surely, 2^45503501 is an apocalyptic number.

It is an amenable number.

45503501 is a deficient number, since it is larger than the sum of its proper divisors (1).

45503501 is an equidigital number, since it uses as much as digits as its factorization.

45503501 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1500, while the sum is 23.

The square root of 45503501 is about 6745.6282880099. The cubic root of 45503501 is about 357.0110053702.

The spelling of 45503501 in words is "forty-five million, five hundred three thousand, five hundred one".