63755413 has 2 divisors, whose sum is σ = 63755414. Its totient is φ = 63755412.

The previous prime is 63755411. The next prime is 63755429. The reversal of 63755413 is 31455736.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 63648484 + 106929 = 7978^2 + 327^2 .

It is a cyclic number.

It is not a de Polignac number, because 63755413 - 2¹ = 63755411 is a prime.

Together with 63755411, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (63755411) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 31877706 + 31877707.

It is an arithmetic number, because the mean of its divisors is an integer number (31877707).

Almost surely, 2^63755413 is an apocalyptic number.

It is an amenable number.

63755413 is a deficient number, since it is larger than the sum of its proper divisors (1).

63755413 is an equidigital number, since it uses as much as digits as its factorization.

63755413 is an evil number, because the sum of its binary digits is even.

The product of its digits is 37800, while the sum is 34.

The square root of 63755413 is about 7984.6986793491. The cubic root of 63755413 is about 399.4897932494.

The spelling of 63755413 in words is "sixty-three million, seven hundred fifty-five thousand, four hundred thirteen".