921535485 has 32 divisors (see below), whose sum is σ = 1589898240. Its totient is φ = 453101568.

The previous prime is 921535441. The next prime is 921535493. The reversal of 921535485 is 584535129.

It is not a de Polignac number, because 921535485 - 2¹⁶ = 921469949 is a prime.

It is a super-2 number, since 2×921535485² = 1698455300228370450, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 178612 + ... + 183698.

It is an arithmetic number, because the mean of its divisors is an integer number (49684320).

Almost surely, 2^921535485 is an apocalyptic number.

It is an amenable number.

921535485 is a deficient number, since it is larger than the sum of its proper divisors (668362755).

921535485 is a wasteful number, since it uses less digits than its factorization.

921535485 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6037.

The product of its digits is 216000, while the sum is 42.

The square root of 921535485 is about 30356.8029443155. The cubic root of 921535485 is about 973.1296108185.

The spelling of 921535485 in words is "nine hundred twenty-one million, five hundred thirty-five thousand, four hundred eighty-five".