63294397 has 4 divisors (see below), whose sum is σ = 64005660. Its totient is φ = 62583136.

The previous prime is 63294391. The next prime is 63294463. The reversal of 63294397 is 79349236.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 42263001 + 21031396 = 6501^2 + 4586^2 .

It is a cyclic number.

It is not a de Polignac number, because 63294397 - 2²³ = 54905789 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (63294391) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 355498 + ... + 355675.

It is an arithmetic number, because the mean of its divisors is an integer number (16001415).

Almost surely, 2^63294397 is an apocalyptic number.

It is an amenable number.

63294397 is a deficient number, since it is larger than the sum of its proper divisors (711263).

63294397 is an equidigital number, since it uses as much as digits as its factorization.

63294397 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 711262.

The product of its digits is 244944, while the sum is 43.

The square root of 63294397 is about 7955.7775861320. Note that the first 3 decimals coincide. The cubic root of 63294397 is about 398.5245581197.

The spelling of 63294397 in words is "sixty-three million, two hundred ninety-four thousand, three hundred ninety-seven".