63253403 has 4 divisors (see below), whose sum is σ = 64144368. Its totient is φ = 62362440.

The previous prime is 63253397. The next prime is 63253417. The reversal of 63253403 is 30435236.

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

It is a cyclic number.

It is not a de Polignac number, because 63253403 - 2¹⁴ = 63237019 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (63255403) 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, 445376 + ... + 445517.

It is an arithmetic number, because the mean of its divisors is an integer number (16036092).

Almost surely, 2^63253403 is an apocalyptic number.

63253403 is a deficient number, since it is larger than the sum of its proper divisors (890965).

63253403 is an equidigital number, since it uses as much as digits as its factorization.

63253403 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 890964.

The product of its (nonzero) digits is 6480, while the sum is 26.

The square root of 63253403 is about 7953.2008021928. The cubic root of 63253403 is about 398.4385018240.

Adding to 63253403 its reverse (30435236), we get a palindrome (93688639).

The spelling of 63253403 in words is "sixty-three million, two hundred fifty-three thousand, four hundred three".