87497523 has 8 divisors (see below), whose sum is σ = 129626000. Its totient is φ = 58331664.

The previous prime is 87497483. The next prime is 87497537. The reversal of 87497523 is 32579478.

87497523 is a `hidden beast` number, since 87 + 49 + 7 + 523 = 666.

It is not a de Polignac number, because 87497523 - 2¹⁰ = 87496499 is a prime.

It is a super-2 number, since 2×87497523² = 15311633062271058, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (87497323) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1620298 + ... + 1620351.

It is an arithmetic number, because the mean of its divisors is an integer number (16203250).

Almost surely, 2^87497523 is an apocalyptic number.

87497523 is a deficient number, since it is larger than the sum of its proper divisors (42128477).

87497523 is a wasteful number, since it uses less digits than its factorization.

87497523 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3240658 (or 3240652 counting only the distinct ones).

The product of its digits is 423360, while the sum is 45.

The square root of 87497523 is about 9354.0110647786. The cubic root of 87497523 is about 443.9478116161.

The spelling of 87497523 in words is "eighty-seven million, four hundred ninety-seven thousand, five hundred twenty-three".