87062249 has 2 divisors, whose sum is σ = 87062250. Its totient is φ = 87062248.

The previous prime is 87062243. The next prime is 87062257. The reversal of 87062249 is 94226078.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 46676224 + 40386025 = 6832^2 + 6355^2 .

It is a cyclic number.

It is not a de Polignac number, because 87062249 - 2¹⁶ = 86996713 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (87062243) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 43531124 + 43531125.

It is an arithmetic number, because the mean of its divisors is an integer number (43531125).

Almost surely, 2^87062249 is an apocalyptic number.

It is an amenable number.

87062249 is a deficient number, since it is larger than the sum of its proper divisors (1).

87062249 is an equidigital number, since it uses as much as digits as its factorization.

87062249 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 48384, while the sum is 38.

The square root of 87062249 is about 9330.7153530691. The cubic root of 87062249 is about 443.2104183088.

The spelling of 87062249 in words is "eighty-seven million, sixty-two thousand, two hundred forty-nine".