2487496181 has 2 divisors, whose sum is σ = 2487496182. Its totient is φ = 2487496180.

The previous prime is 2487496171. The next prime is 2487496267. The reversal of 2487496181 is 1816947842.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1952314225 + 535181956 = 44185^2 + 23134^2 .

It is a cyclic number.

It is not a de Polignac number, because 2487496181 - 2¹⁸ = 2487234037 is a prime.

It is a super-2 number, since 2×2487496181² = 12375274500979169522, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2487496111) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1243748090 + 1243748091.

It is an arithmetic number, because the mean of its divisors is an integer number (1243748091).

Almost surely, 2^2487496181 is an apocalyptic number.

It is an amenable number.

2487496181 is a deficient number, since it is larger than the sum of its proper divisors (1).

2487496181 is an equidigital number, since it uses as much as digits as its factorization.

2487496181 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 774144, while the sum is 50.

The square root of 2487496181 is about 49874.8050723008. The cubic root of 2487496181 is about 1354.9423196808.

The spelling of 2487496181 in words is "two billion, four hundred eighty-seven million, four hundred ninety-six thousand, one hundred eighty-one".