23462521 has 2 divisors, whose sum is σ = 23462522. Its totient is φ = 23462520.

The previous prime is 23462519. The next prime is 23462539. The reversal of 23462521 is 12526432.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 23386896 + 75625 = 4836^2 + 275^2 .

It is a cyclic number.

It is not a de Polignac number, because 23462521 - 2¹ = 23462519 is a prime.

Together with 23462519, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (23462501) 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, 11731260 + 11731261.

It is an arithmetic number, because the mean of its divisors is an integer number (11731261).

Almost surely, 2^23462521 is an apocalyptic number.

It is an amenable number.

23462521 is a deficient number, since it is larger than the sum of its proper divisors (1).

23462521 is an equidigital number, since it uses as much as digits as its factorization.

23462521 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 2880, while the sum is 25.

The square root of 23462521 is about 4843.8126512077. The cubic root of 23462521 is about 286.2803622695.

Adding to 23462521 its reverse (12526432), we get a palindrome (35988953).

The spelling of 23462521 in words is "twenty-three million, four hundred sixty-two thousand, five hundred twenty-one".