63612401 has 2 divisors, whose sum is σ = 63612402. Its totient is φ = 63612400.

The previous prime is 63612371. The next prime is 63612431. The reversal of 63612401 is 10421636.

It is a happy number.

It is a balanced prime because it is at equal distance from previous prime (63612371) and next prime (63612431).

It can be written as a sum of positive squares in only one way, i.e., 60078001 + 3534400 = 7751^2 + 1880^2 .

It is a cyclic number.

It is not a de Polignac number, because 63612401 - 2⁶ = 63612337 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 (63612431) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 31806200 + 31806201.

It is an arithmetic number, because the mean of its divisors is an integer number (31806201).

Almost surely, 2^63612401 is an apocalyptic number.

It is an amenable number.

63612401 is a deficient number, since it is larger than the sum of its proper divisors (1).

63612401 is an equidigital number, since it uses as much as digits as its factorization.

63612401 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 864, while the sum is 23.

The square root of 63612401 is about 7975.7382730378. The cubic root of 63612401 is about 399.1908664442.

The spelling of 63612401 in words is "sixty-three million, six hundred twelve thousand, four hundred one".