85354621 has 8 divisors (see below), whose sum is σ = 93276288. Its totient is φ = 77460000.

The previous prime is 85354609. The next prime is 85354667. The reversal of 85354621 is 12645358.

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

It is a cyclic number.

It is not a de Polignac number, because 85354621 - 2²¹ = 83257469 is a prime.

It is a super-2 number, since 2×85354621² = 14570822652107282, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (85354601) 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, 156 + ... + 13066.

It is an arithmetic number, because the mean of its divisors is an integer number (11659536).

Almost surely, 2^85354621 is an apocalyptic number.

It is an amenable number.

85354621 is a deficient number, since it is larger than the sum of its proper divisors (7921667).

85354621 is a wasteful number, since it uses less digits than its factorization.

85354621 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13523.

The product of its digits is 28800, while the sum is 34.

The square root of 85354621 is about 9238.7564639404. The cubic root of 85354621 is about 440.2935730206.

Adding to 85354621 its reverse (12645358), we get a palindrome (97999979).

The spelling of 85354621 in words is "eighty-five million, three hundred fifty-four thousand, six hundred twenty-one".