45780001 has 2 divisors, whose sum is σ = 45780002. Its totient is φ = 45780000.

The previous prime is 45779999. The next prime is 45780013. The reversal of 45780001 is 10008754.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 37945600 + 7834401 = 6160^2 + 2799^2 .

It is a cyclic number.

It is not a de Polignac number, because 45780001 - 2¹ = 45779999 is a prime.

Together with 45779999, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (45780041) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 22890000 + 22890001.

It is an arithmetic number, because the mean of its divisors is an integer number (22890001).

Almost surely, 2^45780001 is an apocalyptic number.

It is an amenable number.

45780001 is a deficient number, since it is larger than the sum of its proper divisors (1).

45780001 is an equidigital number, since it uses as much as digits as its factorization.

45780001 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1120, while the sum is 25.

The square root of 45780001 is about 6766.0920035128. The cubic root of 45780001 is about 357.7326661234.

Adding to 45780001 its reverse (10008754), we get a palindrome (55788755).

The spelling of 45780001 in words is "forty-five million, seven hundred eighty thousand, one".