487690141 has 2 divisors, whose sum is σ = 487690142. Its totient is φ = 487690140.

The previous prime is 487690087. The next prime is 487690163. The reversal of 487690141 is 141096784.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 303979225 + 183710916 = 17435^2 + 13554^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-487690141 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 487690094 and 487690103.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (487696141) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 243845070 + 243845071.

It is an arithmetic number, because the mean of its divisors is an integer number (243845071).

Almost surely, 2^487690141 is an apocalyptic number.

It is an amenable number.

487690141 is a deficient number, since it is larger than the sum of its proper divisors (1).

487690141 is an equidigital number, since it uses as much as digits as its factorization.

487690141 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 48384, while the sum is 40.

The square root of 487690141 is about 22083.7075917972. The cubic root of 487690141 is about 787.1327675854.

The spelling of 487690141 in words is "four hundred eighty-seven million, six hundred ninety thousand, one hundred forty-one".