5761921 has 12 divisors (see below), whose sum is σ = 6638544. Its totient is φ = 4959000.

The previous prime is 5761919. The next prime is 5761927. The reversal of 5761921 is 1291675.

It is not a de Polignac number, because 5761921 - 2¹ = 5761919 is a prime.

It is a super-2 number, since 2×5761921² = 66399467220482, which contains 22 as substring.

It is an Ulam number.

5761921 is a lucky number.

It is not an unprimeable number, because it can be changed into a prime (5761927) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 3246 + ... + 4696.

It is an arithmetic number, because the mean of its divisors is an integer number (553212).

Almost surely, 2^5761921 is an apocalyptic number.

It is an amenable number.

5761921 is a deficient number, since it is larger than the sum of its proper divisors (876623).

5761921 is a wasteful number, since it uses less digits than its factorization.

5761921 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1500 (or 1481 counting only the distinct ones).

The product of its digits is 3780, while the sum is 31.

The square root of 5761921 is about 2400.4001749708. The cubic root of 5761921 is about 179.2761153754.

The spelling of 5761921 in words is "five million, seven hundred sixty-one thousand, nine hundred twenty-one".