2500180061 has 2 divisors, whose sum is σ = 2500180062. Its totient is φ = 2500180060.

The previous prime is 2500180051. The next prime is 2500180121. The reversal of 2500180061 is 1600810052.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1600480036 + 899700025 = 40006^2 + 29995^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2500180061 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2500180051) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1250090030 + 1250090031.

It is an arithmetic number, because the mean of its divisors is an integer number (1250090031).

Almost surely, 2^2500180061 is an apocalyptic number.

It is an amenable number.

2500180061 is a deficient number, since it is larger than the sum of its proper divisors (1).

2500180061 is an equidigital number, since it uses as much as digits as its factorization.

2500180061 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 480, while the sum is 23.

The square root of 2500180061 is about 50001.8005775792. The cubic root of 2500180061 is about 1357.2413915652.

The spelling of 2500180061 in words is "two billion, five hundred million, one hundred eighty thousand, sixty-one".