4997000061 has 12 divisors (see below), whose sum is σ = 7270576092. Its totient is φ = 3307016256.

The previous prime is 4997000051. The next prime is 4997000089. The reversal of 4997000061 is 1600007994.

It can be written as a sum of positive squares in 2 ways, for example, as 900360036 + 4096640025 = 30006^2 + 64005^2 .

It is not a de Polignac number, because 4997000061 - 2⁷ = 4996999933 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4997000051) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2025126 + ... + 2027591.

It is an arithmetic number, because the mean of its divisors is an integer number (605881341).

Almost surely, 2^4997000061 is an apocalyptic number.

It is an amenable number.

4997000061 is a deficient number, since it is larger than the sum of its proper divisors (2273576031).

4997000061 is a wasteful number, since it uses less digits than its factorization.

4997000061 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4052860 (or 4052857 counting only the distinct ones).

The product of its (nonzero) digits is 13608, while the sum is 36.

The square root of 4997000061 is about 70689.4621637483. The cubic root of 4997000061 is about 1709.6338900222.

The spelling of 4997000061 in words is "four billion, nine hundred ninety-seven million, sixty-one", and thus it is an aban number.