63028257 has 16 divisors (see below), whose sum is σ = 87920640. Its totient is φ = 40086992.

The previous prime is 63028253. The next prime is 63028267. The reversal of 63028257 is 75282036.

It is a cyclic number.

It is not a de Polignac number, because 63028257 - 2² = 63028253 is a prime.

It is a super-2 number, since 2×63028257² = 7945122360916098, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (63028253) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 32098 + ... + 34004.

It is an arithmetic number, because the mean of its divisors is an integer number (5495040).

Almost surely, 2^63028257 is an apocalyptic number.

It is an amenable number.

63028257 is a deficient number, since it is larger than the sum of its proper divisors (24892383).

63028257 is a wasteful number, since it uses less digits than its factorization.

63028257 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2412.

The product of its (nonzero) digits is 20160, while the sum is 33.

The square root of 63028257 is about 7939.0337573284. The cubic root of 63028257 is about 397.9652019609.

The spelling of 63028257 in words is "sixty-three million, twenty-eight thousand, two hundred fifty-seven".