87275141 has 2 divisors, whose sum is σ = 87275142. Its totient is φ = 87275140.

The previous prime is 87275129. The next prime is 87275143. The reversal of 87275141 is 14157278.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 84456100 + 2819041 = 9190^2 + 1679^2 .

It is a cyclic number.

It is not a de Polignac number, because 87275141 - 2¹⁸ = 87012997 is a prime.

Together with 87275143, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (87275143) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 43637570 + 43637571.

It is an arithmetic number, because the mean of its divisors is an integer number (43637571).

Almost surely, 2^87275141 is an apocalyptic number.

It is an amenable number.

87275141 is a deficient number, since it is larger than the sum of its proper divisors (1).

87275141 is an equidigital number, since it uses as much as digits as its factorization.

87275141 is an evil number, because the sum of its binary digits is even.

The product of its digits is 15680, while the sum is 35.

The square root of 87275141 is about 9342.1165160792. The cubic root of 87275141 is about 443.5713828245.

The spelling of 87275141 in words is "eighty-seven million, two hundred seventy-five thousand, one hundred forty-one".