63231001 has 4 divisors (see below), whose sum is σ = 63247104. Its totient is φ = 63214900.

The previous prime is 63230989. The next prime is 63231013. The reversal of 63231001 is 10013236.

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, and also a brilliant number, because the two primes have the same length.

It is an interprime number because it is at equal distance from previous prime (63230989) and next prime (63231013).

It is a cyclic number.

It is not a de Polignac number, because 63231001 - 2⁵ = 63230969 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (63231101) 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, 2136 + ... + 11446.

It is an arithmetic number, because the mean of its divisors is an integer number (15811776).

Almost surely, 2^63231001 is an apocalyptic number.

It is an amenable number.

63231001 is a deficient number, since it is larger than the sum of its proper divisors (16103).

63231001 is an equidigital number, since it uses as much as digits as its factorization.

63231001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16102.

The product of its (nonzero) digits is 108, while the sum is 16.

The square root of 63231001 is about 7951.7923136863. The cubic root of 63231001 is about 398.3914589096.

Adding to 63231001 its reverse (10013236), we get a palindrome (73244237).

The spelling of 63231001 in words is "sixty-three million, two hundred thirty-one thousand, one".