87417413 has 2 divisors, whose sum is σ = 87417414. Its totient is φ = 87417412.

The previous prime is 87417403. The next prime is 87417469. The reversal of 87417413 is 31471478.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 80874049 + 6543364 = 8993^2 + 2558^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-87417413 is a prime.

It is a super-2 number, since 2×87417413² = 15283608191225138, which contains 22 as substring.

It is equal to p_5075936 and since 87417413 and 5075936 have the same sum of digits, it is a Honaker prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (87417403) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 43708706 + 43708707.

It is an arithmetic number, because the mean of its divisors is an integer number (43708707).

Almost surely, 2^87417413 is an apocalyptic number.

It is an amenable number.

87417413 is a deficient number, since it is larger than the sum of its proper divisors (1).

87417413 is an equidigital number, since it uses as much as digits as its factorization.

87417413 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 18816, while the sum is 35.

The square root of 87417413 is about 9349.7279639570. The cubic root of 87417413 is about 443.8122819940.

The spelling of 87417413 in words is "eighty-seven million, four hundred seventeen thousand, four hundred thirteen".