85001534 has 4 divisors (see below), whose sum is σ = 127502304. Its totient is φ = 42500766.

The previous prime is 85001533. The next prime is 85001563. The reversal of 85001534 is 43510058.

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

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (85001533) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 21250382 + ... + 21250385.

It is an arithmetic number, because the mean of its divisors is an integer number (31875576).

Almost surely, 2^85001534 is an apocalyptic number.

85001534 is a deficient number, since it is larger than the sum of its proper divisors (42500770).

85001534 is a wasteful number, since it uses less digits than its factorization.

85001534 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 42500769.

The product of its (nonzero) digits is 2400, while the sum is 26.

The square root of 85001534 is about 9219.6276497481. The cubic root of 85001534 is about 439.6856121947.

The spelling of 85001534 in words is "eighty-five million, one thousand, five hundred thirty-four".