5261421 has 8 divisors (see below), whose sum is σ = 7653024. Its totient is φ = 3188720.

The previous prime is 5261419. The next prime is 5261429. The reversal of 5261421 is 1241625.

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 5261421 - 2¹ = 5261419 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 (5261429) 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, 79686 + ... + 79751.

It is an arithmetic number, because the mean of its divisors is an integer number (956628).

Almost surely, 2^5261421 is an apocalyptic number.

It is an amenable number.

5261421 is a deficient number, since it is larger than the sum of its proper divisors (2391603).

5261421 is a wasteful number, since it uses less digits than its factorization.

5261421 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 159451.

The product of its digits is 480, while the sum is 21.

The square root of 5261421 is about 2293.7787600377. The cubic root of 5261421 is about 173.9272717589.

The spelling of 5261421 in words is "five million, two hundred sixty-one thousand, four hundred twenty-one".