5761621 has 2 divisors, whose sum is σ = 5761622. Its totient is φ = 5761620.

The previous prime is 5761619. The next prime is 5761643. The reversal of 5761621 is 1261675.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 5522500 + 239121 = 2350^2 + 489^2 .

It is a cyclic number.

It is not a de Polignac number, because 5761621 - 2¹ = 5761619 is a prime.

Together with 5761619, it forms a pair of twin primes.

It is a zygodrome in base 4.

It is a self number, because there is not a number n which added to its sum of digits gives 5761621.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (5761601) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2880810 + 2880811.

It is an arithmetic number, because the mean of its divisors is an integer number (2880811).

Almost surely, 2^5761621 is an apocalyptic number.

It is an amenable number.

5761621 is a deficient number, since it is larger than the sum of its proper divisors (1).

5761621 is an equidigital number, since it uses as much as digits as its factorization.

5761621 is an evil number, because the sum of its binary digits is even.

The product of its digits is 2520, while the sum is 28.

The square root of 5761621 is about 2400.3376845769. The cubic root of 5761621 is about 179.2730039265.

It can be divided in two parts, 576 and 1621, that added together give a cube (2197 = 13³).

The spelling of 5761621 in words is "five million, seven hundred sixty-one thousand, six hundred twenty-one".