63445001 has 4 divisors (see below), whose sum is σ = 64520400. Its totient is φ = 62369604.

The previous prime is 63444991. The next prime is 63445007. The reversal of 63445001 is 10054436.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 63445001 - 2¹⁰ = 63443977 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (63445007) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 537611 + ... + 537728.

It is an arithmetic number, because the mean of its divisors is an integer number (16130100).

Almost surely, 2^63445001 is an apocalyptic number.

It is an amenable number.

63445001 is a deficient number, since it is larger than the sum of its proper divisors (1075399).

63445001 is a wasteful number, since it uses less digits than its factorization.

63445001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1075398.

The product of its (nonzero) digits is 1440, while the sum is 23.

The square root of 63445001 is about 7965.2370335101. The cubic root of 63445001 is about 398.8403936145.

Adding to 63445001 its reverse (10054436), we get a palindrome (73499437).

The spelling of 63445001 in words is "sixty-three million, four hundred forty-five thousand, one".