87003541 has 2 divisors, whose sum is σ = 87003542. Its totient is φ = 87003540.

The previous prime is 87003523. The next prime is 87003547. The reversal of 87003541 is 14530078.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 86881041 + 122500 = 9321^2 + 350^2 .

It is a cyclic number.

It is not a de Polignac number, because 87003541 - 2¹¹ = 87001493 is a prime.

It is a super-2 number, since 2×87003541² = 15139232293077362, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (87003547) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 43501770 + 43501771.

It is an arithmetic number, because the mean of its divisors is an integer number (43501771).

Almost surely, 2^87003541 is an apocalyptic number.

It is an amenable number.

87003541 is a deficient number, since it is larger than the sum of its proper divisors (1).

87003541 is an equidigital number, since it uses as much as digits as its factorization.

87003541 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 3360, while the sum is 28.

The square root of 87003541 is about 9327.5688686817. The cubic root of 87003541 is about 443.1107737122.

The spelling of 87003541 in words is "eighty-seven million, three thousand, five hundred forty-one".