23251001 has 2 divisors, whose sum is σ = 23251002. Its totient is φ = 23251000.

The previous prime is 23250991. The next prime is 23251021. The reversal of 23251001 is 10015232.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 18498601 + 4752400 = 4301^2 + 2180^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-23251001 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is not a weakly prime, because it can be changed into another prime (23251021) 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, 11625500 + 11625501.

It is an arithmetic number, because the mean of its divisors is an integer number (11625501).

Almost surely, 2^23251001 is an apocalyptic number.

It is an amenable number.

23251001 is a deficient number, since it is larger than the sum of its proper divisors (1).

23251001 is an equidigital number, since it uses as much as digits as its factorization.

23251001 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 60, while the sum is 14.

The square root of 23251001 is about 4821.9291782439. The cubic root of 23251001 is about 285.4174696504.

Adding to 23251001 its reverse (10015232), we get a palindrome (33266233).

The spelling of 23251001 in words is "twenty-three million, two hundred fifty-one thousand, one".