5653121 has 8 divisors (see below), whose sum is σ = 5831784. Its totient is φ = 5476480.

The previous prime is 5653111. The next prime is 5653133. The reversal of 5653121 is 1213565.

It can be written as a sum of positive squares in 4 ways, for example, as 640000 + 5013121 = 800^2 + 2239^2 .

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 5653121 - 2²² = 1458817 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5653111) 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, 6695 + ... + 7491.

It is an arithmetic number, because the mean of its divisors is an integer number (728973).

Almost surely, 2^5653121 is an apocalyptic number.

It is an amenable number.

5653121 is a deficient number, since it is larger than the sum of its proper divisors (178663).

5653121 is a wasteful number, since it uses less digits than its factorization.

5653121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1011.

The product of its digits is 900, while the sum is 23.

The square root of 5653121 is about 2377.6292814482. The cubic root of 5653121 is about 178.1405383388.

Adding to 5653121 its reverse (1213565), we get a palindrome (6866686).

The spelling of 5653121 in words is "five million, six hundred fifty-three thousand, one hundred twenty-one".