45331001 has 2 divisors, whose sum is σ = 45331002. Its totient is φ = 45331000.

The previous prime is 45330997. The next prime is 45331003. The reversal of 45331001 is 10013354.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 26832400 + 18498601 = 5180^2 + 4301^2 .

It is a cyclic number.

It is not a de Polignac number, because 45331001 - 2² = 45330997 is a prime.

Together with 45331003, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (45331003) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 22665500 + 22665501.

It is an arithmetic number, because the mean of its divisors is an integer number (22665501).

Almost surely, 2^45331001 is an apocalyptic number.

It is an amenable number.

45331001 is a deficient number, since it is larger than the sum of its proper divisors (1).

45331001 is an equidigital number, since it uses as much as digits as its factorization.

45331001 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 180, while the sum is 17.

The square root of 45331001 is about 6732.8300884546. The cubic root of 45331001 is about 356.5593010557.

Adding to 45331001 its reverse (10013354), we get a palindrome (55344355).

The spelling of 45331001 in words is "forty-five million, three hundred thirty-one thousand, one".