87031741 has 2 divisors, whose sum is σ = 87031742. Its totient is φ = 87031740.

The previous prime is 87031691. The next prime is 87031751. The reversal of 87031741 is 14713078.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 63266116 + 23765625 = 7954^2 + 4875^2 .

It is a cyclic number.

It is not a de Polignac number, because 87031741 - 2¹³ = 87023549 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (87031751) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 43515870 + 43515871.

It is an arithmetic number, because the mean of its divisors is an integer number (43515871).

Almost surely, 2^87031741 is an apocalyptic number.

It is an amenable number.

87031741 is a deficient number, since it is larger than the sum of its proper divisors (1).

87031741 is an equidigital number, since it uses as much as digits as its factorization.

87031741 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 4704, while the sum is 31.

The square root of 87031741 is about 9329.0803941225. The cubic root of 87031741 is about 443.1586429286.

The spelling of 87031741 in words is "eighty-seven million, thirty-one thousand, seven hundred forty-one".