63028661 has 2 divisors, whose sum is σ = 63028662. Its totient is φ = 63028660.

The previous prime is 63028657. The next prime is 63028727. The reversal of 63028661 is 16682036.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 50140561 + 12888100 = 7081^2 + 3590^2 .

It is a cyclic number.

It is not a de Polignac number, because 63028661 - 2² = 63028657 is a prime.

It is a super-2 number, since 2×63028661² = 7945224214905842, which contains 22 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 (63028601) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 31514330 + 31514331.

It is an arithmetic number, because the mean of its divisors is an integer number (31514331).

Almost surely, 2^63028661 is an apocalyptic number.

It is an amenable number.

63028661 is a deficient number, since it is larger than the sum of its proper divisors (1).

63028661 is an equidigital number, since it uses as much as digits as its factorization.

63028661 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 10368, while the sum is 32.

The square root of 63028661 is about 7939.0592011900. The cubic root of 63028661 is about 397.9660522546.

The spelling of 63028661 in words is "sixty-three million, twenty-eight thousand, six hundred sixty-one".