87261241 has 8 divisors (see below), whose sum is σ = 91157184. Its totient is φ = 83373840.

The previous prime is 87261227. The next prime is 87261257. The reversal of 87261241 is 14216278.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 87261241 - 2⁹ = 87260729 is a prime.

It is a super-2 number, since 2×87261241² = 15229048361720162, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (87261211) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 27886 + ... + 30856.

It is an arithmetic number, because the mean of its divisors is an integer number (11394648).

Almost surely, 2^87261241 is an apocalyptic number.

It is an amenable number.

87261241 is a deficient number, since it is larger than the sum of its proper divisors (3895943).

87261241 is a wasteful number, since it uses less digits than its factorization.

87261241 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4271.

The product of its digits is 5376, while the sum is 31.

The square root of 87261241 is about 9341.3725436897. The cubic root of 87261241 is about 443.5478328975.

The spelling of 87261241 in words is "eighty-seven million, two hundred sixty-one thousand, two hundred forty-one".