23527649 has 2 divisors, whose sum is σ = 23527650. Its totient is φ = 23527648.

The previous prime is 23527633. The next prime is 23527657. The reversal of 23527649 is 94672532.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 13191424 + 10336225 = 3632^2 + 3215^2 .

It is a cyclic number.

It is not a de Polignac number, because 23527649 - 2⁴ = 23527633 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (23527619) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11763824 + 11763825.

It is an arithmetic number, because the mean of its divisors is an integer number (11763825).

Almost surely, 2^23527649 is an apocalyptic number.

It is an amenable number.

23527649 is a deficient number, since it is larger than the sum of its proper divisors (1).

23527649 is an equidigital number, since it uses as much as digits as its factorization.

23527649 is an evil number, because the sum of its binary digits is even.

The product of its digits is 90720, while the sum is 38.

The square root of 23527649 is about 4850.5307956965. The cubic root of 23527649 is about 286.5450062141.

It can be divided in two parts, 2352 and 7649, that added together give a palindrome (10001).

The spelling of 23527649 in words is "twenty-three million, five hundred twenty-seven thousand, six hundred forty-nine".