86249025 has 36 divisors (see below), whose sum is σ = 156686400. Its totient is φ = 45343200.

The previous prime is 86249003. The next prime is 86249063. The reversal of 86249025 is 52094268.

It is a happy number.

86249025 is a `hidden beast` number, since 8 + 624 + 9 + 0 + 25 = 666.

It is not a de Polignac number, because 86249025 - 2¹² = 86244929 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 13276 + ... + 18674.

It is an arithmetic number, because the mean of its divisors is an integer number (4352400).

Almost surely, 2^86249025 is an apocalyptic number.

It is an amenable number.

86249025 is a deficient number, since it is larger than the sum of its proper divisors (70437375).

86249025 is a wasteful number, since it uses less digits than its factorization.

86249025 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5486 (or 5478 counting only the distinct ones).

The product of its (nonzero) digits is 34560, while the sum is 36.

The square root of 86249025 is about 9287.0353181196. The cubic root of 86249025 is about 441.8261312555.

The spelling of 86249025 in words is "eighty-six million, two hundred forty-nine thousand, twenty-five".