63047257 has 16 divisors (see below), whose sum is σ = 79252992. Its totient is φ = 48818880.

The previous prime is 63047249. The next prime is 63047267. The reversal of 63047257 is 75274036.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 63047257 - 2³ = 63047249 is a prime.

It is a super-3 number, since 3×63047257³ (a number of 24 digits) contains 333 as substring.

It is not an unprimeable number, because it can be changed into a prime (63047267) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3094 + ... + 11647.

It is an arithmetic number, because the mean of its divisors is an integer number (4953312).

Almost surely, 2^63047257 is an apocalyptic number.

It is an amenable number.

63047257 is a deficient number, since it is larger than the sum of its proper divisors (16205735).

63047257 is a wasteful number, since it uses less digits than its factorization.

63047257 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14808.

The product of its (nonzero) digits is 35280, while the sum is 34.

The square root of 63047257 is about 7940.2302863330. The cubic root of 63047257 is about 398.0051870910.

The spelling of 63047257 in words is "sixty-three million, forty-seven thousand, two hundred fifty-seven".