901064521 has 8 divisors (see below), whose sum is σ = 1030194944. Its totient is φ = 772035840.

The previous prime is 901064473. The next prime is 901064543. The reversal of 901064521 is 125460109.

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 901064521 - 2⁹ = 901064009 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 901064521.

It is not an unprimeable number, because it can be changed into a prime (901064561) 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, 5400 + ... + 42793.

It is an arithmetic number, because the mean of its divisors is an integer number (128774368).

Almost surely, 2^901064521 is an apocalyptic number.

It is an amenable number.

901064521 is a deficient number, since it is larger than the sum of its proper divisors (129130423).

901064521 is a wasteful number, since it uses less digits than its factorization.

901064521 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 50871.

The product of its (nonzero) digits is 2160, while the sum is 28.

The square root of 901064521 is about 30017.7367734478. The cubic root of 901064521 is about 965.8698952612.

The spelling of 901064521 in words is "nine hundred one million, sixty-four thousand, five hundred twenty-one".