63257471 has 2 divisors, whose sum is σ = 63257472. Its totient is φ = 63257470.

The previous prime is 63257449. The next prime is 63257477. The reversal of 63257471 is 17475236.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 63257471 - 2¹⁰ = 63256447 is a prime.

It is a super-3 number, since 3×63257471³ (a number of 24 digits) contains 333 as substring.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (63257477) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 31628735 + 31628736.

It is an arithmetic number, because the mean of its divisors is an integer number (31628736).

Almost surely, 2^63257471 is an apocalyptic number.

63257471 is a deficient number, since it is larger than the sum of its proper divisors (1).

63257471 is an equidigital number, since it uses as much as digits as its factorization.

63257471 is an evil number, because the sum of its binary digits is even.

The product of its digits is 35280, while the sum is 35.

The square root of 63257471 is about 7953.4565441700. The cubic root of 63257471 is about 398.4470431988.

The spelling of 63257471 in words is "sixty-three million, two hundred fifty-seven thousand, four hundred seventy-one".