87241413 has 12 divisors (see below), whose sum is σ = 135313440. Its totient is φ = 49852152.

The previous prime is 87241411. The next prime is 87241421. The reversal of 87241413 is 31414278.

It is not a de Polignac number, because 87241413 - 2¹ = 87241411 is a prime.

It is a super-2 number, since 2×87241413² = 15222128284473138, which contains 22 as substring.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (87241411) 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 in 11 ways as a sum of consecutive naturals, for example, 296593 + ... + 296886.

It is an arithmetic number, because the mean of its divisors is an integer number (11276120).

Almost surely, 2^87241413 is an apocalyptic number.

It is an amenable number.

87241413 is a deficient number, since it is larger than the sum of its proper divisors (48072027).

87241413 is a wasteful number, since it uses less digits than its factorization.

87241413 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 593496 (or 593489 counting only the distinct ones).

The product of its digits is 5376, while the sum is 30.

The square root of 87241413 is about 9340.3111832529. The cubic root of 87241413 is about 443.5142351912.

The spelling of 87241413 in words is "eighty-seven million, two hundred forty-one thousand, four hundred thirteen".