87403241 has 2 divisors, whose sum is σ = 87403242. Its totient is φ = 87403240.

The previous prime is 87403231. The next prime is 87403247. The reversal of 87403241 is 14230478.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 68227600 + 19175641 = 8260^2 + 4379^2 .

It is a cyclic number.

It is not a de Polignac number, because 87403241 - 2⁶ = 87403177 is a prime.

It is not a weakly prime, because it can be changed into another prime (87403247) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 43701620 + 43701621.

It is an arithmetic number, because the mean of its divisors is an integer number (43701621).

Almost surely, 2^87403241 is an apocalyptic number.

It is an amenable number.

87403241 is a deficient number, since it is larger than the sum of its proper divisors (1).

87403241 is an equidigital number, since it uses as much as digits as its factorization.

87403241 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 5376, while the sum is 29.

The square root of 87403241 is about 9348.9700502248. The cubic root of 87403241 is about 443.7882972700.

The spelling of 87403241 in words is "eighty-seven million, four hundred three thousand, two hundred forty-one".