85951042 has 4 divisors (see below), whose sum is σ = 128926566. Its totient is φ = 42975520.

The previous prime is 85951027. The next prime is 85951043. The reversal of 85951042 is 24015958.

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., 70576801 + 15374241 = 8401^2 + 3921^2 .

It is a junction number, because it is equal to n+sod(n) for n = 85950989 and 85951007.

It is not an unprimeable number, because it can be changed into a prime (85951043) 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, 21487759 + ... + 21487762.

Almost surely, 2^85951042 is an apocalyptic number.

85951042 is a deficient number, since it is larger than the sum of its proper divisors (42975524).

85951042 is a wasteful number, since it uses less digits than its factorization.

85951042 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 42975523.

The product of its (nonzero) digits is 14400, while the sum is 34.

The square root of 85951042 is about 9270.9784812608. The cubic root of 85951042 is about 441.3167203236.

The spelling of 85951042 in words is "eighty-five million, nine hundred fifty-one thousand, forty-two".