87241465 has 4 divisors (see below), whose sum is σ = 104689764. Its totient is φ = 69793168.

The previous prime is 87241459. The next prime is 87241489. The reversal of 87241465 is 56414278.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 42029289 + 45212176 = 6483^2 + 6724^2 .

It is a cyclic number.

It is not a de Polignac number, because 87241465 - 2⁷ = 87241337 is a prime.

It is a super-2 number, since 2×87241465² = 15222146430692450, which contains 22 as substring.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8724142 + ... + 8724151.

It is an arithmetic number, because the mean of its divisors is an integer number (26172441).

Almost surely, 2^87241465 is an apocalyptic number.

It is an amenable number.

87241465 is a deficient number, since it is larger than the sum of its proper divisors (17448299).

87241465 is a wasteful number, since it uses less digits than its factorization.

87241465 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17448298.

The product of its digits is 53760, while the sum is 37.

The square root of 87241465 is about 9340.3139668857. The cubic root of 87241465 is about 443.5143233097.

The spelling of 87241465 in words is "eighty-seven million, two hundred forty-one thousand, four hundred sixty-five".