86262251 has 4 divisors (see below), whose sum is σ = 86335752. Its totient is φ = 86188752.

The previous prime is 86262221. The next prime is 86262263. The reversal of 86262251 is 15226268.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-86262251 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (86262221) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 34961 + ... + 37346.

It is an arithmetic number, because the mean of its divisors is an integer number (21583938).

Almost surely, 2^86262251 is an apocalyptic number.

86262251 is a deficient number, since it is larger than the sum of its proper divisors (73501).

86262251 is a wasteful number, since it uses less digits than its factorization.

86262251 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 73500.

The product of its digits is 11520, while the sum is 32.

The square root of 86262251 is about 9287.7473587517. The cubic root of 86262251 is about 441.8487142886.

The spelling of 86262251 in words is "eighty-six million, two hundred sixty-two thousand, two hundred fifty-one".