2353521 has 12 divisors (see below), whose sum is σ = 3282608. Its totient is φ = 1499784.

The previous prime is 2353517. The next prime is 2353529. The reversal of 2353521 is 1253532.

It is not a de Polignac number, because 2353521 - 2² = 2353517 is a prime.

It is a super-2 number, since 2×2353521² = 11078122194882, which contains 22 as substring.

It is a Duffinian number.

2353521 is a lucky number.

It is not an unprimeable number, because it can be changed into a prime (2353529) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 846 + ... + 2328.

2^2353521 is an apocalyptic number.

It is an amenable number.

2353521 is a deficient number, since it is larger than the sum of its proper divisors (929087).

2353521 is a wasteful number, since it uses less digits than its factorization.

2353521 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1532 (or 1509 counting only the distinct ones).

The product of its digits is 900, while the sum is 21.

The square root of 2353521 is about 1534.1189654000. The cubic root of 2353521 is about 133.0166561008.

The spelling of 2353521 in words is "two million, three hundred fifty-three thousand, five hundred twenty-one".