85942451 has 8 divisors (see below), whose sum is σ = 98317824. Its totient is φ = 73591560.

The previous prime is 85942403. The next prime is 85942499. The reversal of 85942451 is 15424958.

It is an interprime number because it is at equal distance from previous prime (85942403) and next prime (85942499).

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 85942451 - 2⁶ = 85942387 is a prime.

It is a super-2 number, since 2×85942451² = 14772209767774802, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (85942151) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2156 + ... + 13286.

It is an arithmetic number, because the mean of its divisors is an integer number (12289728).

Almost surely, 2^85942451 is an apocalyptic number.

85942451 is a deficient number, since it is larger than the sum of its proper divisors (12375373).

85942451 is a wasteful number, since it uses less digits than its factorization.

85942451 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12241.

The product of its digits is 57600, while the sum is 38.

The square root of 85942451 is about 9270.5151421051. The cubic root of 85942451 is about 441.3020163007.

The spelling of 85942451 in words is "eighty-five million, nine hundred forty-two thousand, four hundred fifty-one".