87925249 has 2 divisors, whose sum is σ = 87925250. Its totient is φ = 87925248.

The previous prime is 87925231. The next prime is 87925259. The reversal of 87925249 is 94252978.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 63600625 + 24324624 = 7975^2 + 4932^2 .

It is a cyclic number.

It is not a de Polignac number, because 87925249 - 2⁷ = 87925121 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 87925199 and 87925208.

It is not a weakly prime, because it can be changed into another prime (87925219) 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 as a sum of consecutive naturals, namely, 43962624 + 43962625.

It is an arithmetic number, because the mean of its divisors is an integer number (43962625).

Almost surely, 2^87925249 is an apocalyptic number.

It is an amenable number.

87925249 is a deficient number, since it is larger than the sum of its proper divisors (1).

87925249 is an equidigital number, since it uses as much as digits as its factorization.

87925249 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 362880, while the sum is 46.

The square root of 87925249 is about 9376.8464315035. The cubic root of 87925249 is about 444.6700394549.

It can be divided in two parts, 8792 and 5249, that added together give a palindrome (14041).

The spelling of 87925249 in words is "eighty-seven million, nine hundred twenty-five thousand, two hundred forty-nine".