63051389 has 2 divisors, whose sum is σ = 63051390. Its totient is φ = 63051388.

The previous prime is 63051383. The next prime is 63051437. The reversal of 63051389 is 98315036.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 57912100 + 5139289 = 7610^2 + 2267^2 .

It is a cyclic number.

It is not a de Polignac number, because 63051389 - 2²⁰ = 62002813 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (63051383) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 31525694 + 31525695.

It is an arithmetic number, because the mean of its divisors is an integer number (31525695).

Almost surely, 2^63051389 is an apocalyptic number.

It is an amenable number.

63051389 is a deficient number, since it is larger than the sum of its proper divisors (1).

63051389 is an equidigital number, since it uses as much as digits as its factorization.

63051389 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 19440, while the sum is 35.

The square root of 63051389 is about 7940.4904760348. The cubic root of 63051389 is about 398.0138817410.

The spelling of 63051389 in words is "sixty-three million, fifty-one thousand, three hundred eighty-nine".