84025513 has 16 divisors (see below), whose sum is σ = 99150912. Its totient is φ = 70200000.

The previous prime is 84025507. The next prime is 84025517. The reversal of 84025513 is 31552048.

It is not a de Polignac number, because 84025513 - 2⁵ = 84025481 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (84025517) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 34723 + ... + 37063.

It is an arithmetic number, because the mean of its divisors is an integer number (6196932).

Almost surely, 2^84025513 is an apocalyptic number.

It is an amenable number.

84025513 is a deficient number, since it is larger than the sum of its proper divisors (15125399).

84025513 is a wasteful number, since it uses less digits than its factorization.

84025513 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2616.

The product of its (nonzero) digits is 4800, while the sum is 28.

The square root of 84025513 is about 9166.5431325009. The cubic root of 84025513 is about 437.9962486560.

The spelling of 84025513 in words is "eighty-four million, twenty-five thousand, five hundred thirteen".