85257002 has 4 divisors (see below), whose sum is σ = 127885506. Its totient is φ = 42628500.

The previous prime is 85256993. The next prime is 85257017. The reversal of 85257002 is 20075258.

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

It can be written as a sum of positive squares in only one way, i.e., 82973881 + 2283121 = 9109^2 + 1511^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 21314249 + ... + 21314252.

Almost surely, 2^85257002 is an apocalyptic number.

85257002 is a deficient number, since it is larger than the sum of its proper divisors (42628504).

85257002 is a wasteful number, since it uses less digits than its factorization.

85257002 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 42628503.

The product of its (nonzero) digits is 5600, while the sum is 29.

The square root of 85257002 is about 9233.4718280829. The cubic root of 85257002 is about 440.1256562601.

The spelling of 85257002 in words is "eighty-five million, two hundred fifty-seven thousand, two".