87425263 has 2 divisors, whose sum is σ = 87425264. Its totient is φ = 87425262.

The previous prime is 87425257. The next prime is 87425279. The reversal of 87425263 is 36252478.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 87425263 - 2¹⁷ = 87294191 is a prime.

It is a super-2 number, since 2×87425263² = 15286353221238338, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (87426263) 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 as a sum of consecutive naturals, namely, 43712631 + 43712632.

It is an arithmetic number, because the mean of its divisors is an integer number (43712632).

Almost surely, 2^87425263 is an apocalyptic number.

87425263 is a deficient number, since it is larger than the sum of its proper divisors (1).

87425263 is an equidigital number, since it uses as much as digits as its factorization.

87425263 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 80640, while the sum is 37.

The square root of 87425263 is about 9350.1477528433. The cubic root of 87425263 is about 443.8255662358.

The spelling of 87425263 in words is "eighty-seven million, four hundred twenty-five thousand, two hundred sixty-three".