63755261 has 2 divisors, whose sum is σ = 63755262. Its totient is φ = 63755260.

The previous prime is 63755221. The next prime is 63755267. The reversal of 63755261 is 16255736.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 48302500 + 15452761 = 6950^2 + 3931^2 .

It is a cyclic number.

It is not a de Polignac number, because 63755261 - 2¹⁴ = 63738877 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (63755267) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 31877630 + 31877631.

It is an arithmetic number, because the mean of its divisors is an integer number (31877631).

Almost surely, 2^63755261 is an apocalyptic number.

It is an amenable number.

63755261 is a deficient number, since it is larger than the sum of its proper divisors (1).

63755261 is an equidigital number, since it uses as much as digits as its factorization.

63755261 is an evil number, because the sum of its binary digits is even.

The product of its digits is 37800, while the sum is 35.

The square root of 63755261 is about 7984.6891611383. The cubic root of 63755261 is about 399.4894757731.

The spelling of 63755261 in words is "sixty-three million, seven hundred fifty-five thousand, two hundred sixty-one".