9070521 has 4 divisors (see below), whose sum is σ = 12094032. Its totient is φ = 6047012.

The previous prime is 9070519. The next prime is 9070547. The reversal of 9070521 is 1250709.

9070521 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

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 9070521 - 2¹ = 9070519 is a prime.

It is a super-2 number, since 2×9070521² = 164548702422882, which contains 22 as substring.

It is an alternating number because its digits alternate between odd and even.

It is a junction number, because it is equal to n+sod(n) for n = 9070491 and 9070500.

It is not an unprimeable number, because it can be changed into a prime (9071521) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1511751 + ... + 1511756.

It is an arithmetic number, because the mean of its divisors is an integer number (3023508).

Almost surely, 2^9070521 is an apocalyptic number.

It is an amenable number.

9070521 is a deficient number, since it is larger than the sum of its proper divisors (3023511).

9070521 is a wasteful number, since it uses less digits than its factorization.

9070521 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3023510.

The product of its (nonzero) digits is 630, while the sum is 24.

The square root of 9070521 is about 3011.7305656383. The cubic root of 9070521 is about 208.5502642073.

It can be divided in two parts, 9070 and 521, that added together give a triangular number (9591 = T₁₃₈).

The spelling of 9070521 in words is "nine million, seventy thousand, five hundred twenty-one".