3095521 has 8 divisors (see below), whose sum is σ = 3636864. Its totient is φ = 2597520.

The previous prime is 3095507. The next prime is 3095539. The reversal of 3095521 is 1255903.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-3095521 is a prime.

It is a super-2 number, since 2×3095521² = 19164500522882, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (3095551) 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, 10681 + ... + 10966.

It is an arithmetic number, because the mean of its divisors is an integer number (454608).

Almost surely, 2^3095521 is an apocalyptic number.

It is an amenable number.

3095521 is a deficient number, since it is larger than the sum of its proper divisors (541343).

3095521 is a wasteful number, since it uses less digits than its factorization.

3095521 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21671.

The product of its (nonzero) digits is 1350, while the sum is 25.

The square root of 3095521 is about 1759.4092758651. The cubic root of 3095521 is about 145.7397157700.

It can be divided in two parts, 30955 and 21, that added together give a square (30976 = 176²).

The spelling of 3095521 in words is "three million, ninety-five thousand, five hundred twenty-one".