87062537 has 2 divisors, whose sum is σ = 87062538. Its totient is φ = 87062536.

The previous prime is 87062533. The next prime is 87062581. The reversal of 87062537 is 73526078.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 61011721 + 26050816 = 7811^2 + 5104^2 .

It is a cyclic number.

It is not a de Polignac number, because 87062537 - 2² = 87062533 is a prime.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 87062537.

It is not a weakly prime, because it can be changed into another prime (87062533) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 43531268 + 43531269.

It is an arithmetic number, because the mean of its divisors is an integer number (43531269).

Almost surely, 2^87062537 is an apocalyptic number.

It is an amenable number.

87062537 is a deficient number, since it is larger than the sum of its proper divisors (1).

87062537 is an equidigital number, since it uses as much as digits as its factorization.

87062537 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 70560, while the sum is 38.

The square root of 87062537 is about 9330.7307859567. The cubic root of 87062537 is about 443.2109070184.

The spelling of 87062537 in words is "eighty-seven million, sixty-two thousand, five hundred thirty-seven".