86545501 has 4 divisors (see below), whose sum is σ = 98909152. Its totient is φ = 74181852.

The previous prime is 86545493. The next prime is 86545523. The reversal of 86545501 is 10554568.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 86545501 - 2³ = 86545493 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (86545561) 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, 6181815 + ... + 6181828.

It is an arithmetic number, because the mean of its divisors is an integer number (24727288).

Almost surely, 2^86545501 is an apocalyptic number.

It is an amenable number.

86545501 is a deficient number, since it is larger than the sum of its proper divisors (12363651).

86545501 is a wasteful number, since it uses less digits than its factorization.

86545501 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12363650.

The product of its (nonzero) digits is 24000, while the sum is 34.

The square root of 86545501 is about 9302.9834461854. The cubic root of 86545501 is about 442.3318028228.

The spelling of 86545501 in words is "eighty-six million, five hundred forty-five thousand, five hundred one".