85430061 has 12 divisors (see below), whose sum is σ = 129893920. Its totient is φ = 53955720.

The previous prime is 85429999. The next prime is 85430063. The reversal of 85430061 is 16003458.

It is not a de Polignac number, because 85430061 - 2¹⁰ = 85429037 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 (85430063) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 249625 + ... + 249966.

Almost surely, 2^85430061 is an apocalyptic number.

It is an amenable number.

85430061 is a deficient number, since it is larger than the sum of its proper divisors (44463859).

85430061 is a wasteful number, since it uses less digits than its factorization.

85430061 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 499616 (or 499613 counting only the distinct ones).

The product of its (nonzero) digits is 2880, while the sum is 27.

The square root of 85430061 is about 9242.8383627542. The cubic root of 85430061 is about 440.4232514755.

The spelling of 85430061 in words is "eighty-five million, four hundred thirty thousand, sixty-one".