87562481 has 2 divisors, whose sum is σ = 87562482. Its totient is φ = 87562480.

The previous prime is 87562477. The next prime is 87562537. The reversal of 87562481 is 18426578.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 48874081 + 38688400 = 6991^2 + 6220^2 .

It is a cyclic number.

It is not a de Polignac number, because 87562481 - 2² = 87562477 is a prime.

It is a super-2 number, since 2×87562481² = 15334376157750722, which contains 22 as substring.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (87562411) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 43781240 + 43781241.

It is an arithmetic number, because the mean of its divisors is an integer number (43781241).

Almost surely, 2^87562481 is an apocalyptic number.

It is an amenable number.

87562481 is a deficient number, since it is larger than the sum of its proper divisors (1).

87562481 is an equidigital number, since it uses as much as digits as its factorization.

87562481 is an evil number, because the sum of its binary digits is even.

The product of its digits is 107520, while the sum is 41.

The square root of 87562481 is about 9357.4826208762. The cubic root of 87562481 is about 444.0576464529.

The spelling of 87562481 in words is "eighty-seven million, five hundred sixty-two thousand, four hundred eighty-one".