5697621 has 12 divisors (see below), whose sum is σ = 8535072. Its totient is φ = 3798252.

The previous prime is 5697619. The next prime is 5697631. The reversal of 5697621 is 1267965.

5697621 is a `hidden beast` number, since 569 + 76 + 21 = 666.

It is not a de Polignac number, because 5697621 - 2¹ = 5697619 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5697631) 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, 11481 + ... + 11966.

It is an arithmetic number, because the mean of its divisors is an integer number (711256).

Almost surely, 2^5697621 is an apocalyptic number.

It is an amenable number.

5697621 is a deficient number, since it is larger than the sum of its proper divisors (2837451).

5697621 is an equidigital number, since it uses as much as digits as its factorization.

5697621 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23462 (or 23450 counting only the distinct ones).

The product of its digits is 22680, while the sum is 36.

The square root of 5697621 is about 2386.9689985419. The cubic root of 5697621 is about 178.6067435831.

The spelling of 5697621 in words is "five million, six hundred ninety-seven thousand, six hundred twenty-one".