69085481 has 4 divisors (see below), whose sum is σ = 69128592. Its totient is φ = 69042372.

The previous prime is 69085459. The next prime is 69085493. The reversal of 69085481 is 18458096.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 69085481 - 2²⁶ = 1976617 is a prime.

It is a super-2 number, since 2×69085481² = 9545607370002722, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (69085411) 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 in 3 ways as a sum of consecutive naturals, for example, 19055 + ... + 22388.

It is an arithmetic number, because the mean of its divisors is an integer number (17282148).

Almost surely, 2^69085481 is an apocalyptic number.

It is an amenable number.

69085481 is a deficient number, since it is larger than the sum of its proper divisors (43111).

69085481 is a wasteful number, since it uses less digits than its factorization.

69085481 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 43110.

The product of its (nonzero) digits is 69120, while the sum is 41.

The square root of 69085481 is about 8311.7676218720. The cubic root of 69085481 is about 410.3258979333.

The spelling of 69085481 in words is "sixty-nine million, eighty-five thousand, four hundred eighty-one".