86920525 has 6 divisors (see below), whose sum is σ = 107781482. Its totient is φ = 69536400.

The previous prime is 86920523. The next prime is 86920529. The reversal of 86920525 is 52502968.

It is a happy number.

It can be written as a sum of positive squares in 3 ways, for example, as 3636649 + 83283876 = 1907^2 + 9126^2 .

It is not a de Polignac number, because 86920525 - 2¹ = 86920523 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 (86920523) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1738386 + ... + 1738435.

Almost surely, 2^86920525 is an apocalyptic number.

It is an amenable number.

86920525 is a deficient number, since it is larger than the sum of its proper divisors (20860957).

86920525 is a wasteful number, since it uses less digits than its factorization.

86920525 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3476831 (or 3476826 counting only the distinct ones).

The product of its (nonzero) digits is 43200, while the sum is 37.

The square root of 86920525 is about 9323.1177725051. The cubic root of 86920525 is about 442.9697948143.

The spelling of 86920525 in words is "eighty-six million, nine hundred twenty thousand, five hundred twenty-five".