63040457 has 2 divisors, whose sum is σ = 63040458. Its totient is φ = 63040456.

The previous prime is 63040433. The next prime is 63040459. The reversal of 63040457 is 75404036.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 62425801 + 614656 = 7901^2 + 784^2 .

It is a cyclic number.

It is not a de Polignac number, because 63040457 - 2²⁴ = 46263241 is a prime.

Together with 63040459, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (63040459) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 31520228 + 31520229.

It is an arithmetic number, because the mean of its divisors is an integer number (31520229).

Almost surely, 2^63040457 is an apocalyptic number.

It is an amenable number.

63040457 is a deficient number, since it is larger than the sum of its proper divisors (1).

63040457 is an equidigital number, since it uses as much as digits as its factorization.

63040457 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 10080, while the sum is 29.

The square root of 63040457 is about 7939.8020756188. The cubic root of 63040457 is about 397.9908775465.

It can be divided in two parts, 6304045 and 7, that multiplied together give a triangular number (44128315 = T₉₃₉₄).

The spelling of 63040457 in words is "sixty-three million, forty thousand, four hundred fifty-seven".