5615421 has 8 divisors (see below), whose sum is σ = 8556864. Its totient is φ = 3208800.

The previous prime is 5615417. The next prime is 5615429. The reversal of 5615421 is 1245165.

5615421 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 5615421 - 2² = 5615417 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 5615391 and 5615400.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5615429) 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, 133680 + ... + 133721.

It is an arithmetic number, because the mean of its divisors is an integer number (1069608).

Almost surely, 2^5615421 is an apocalyptic number.

It is an amenable number.

5615421 is a deficient number, since it is larger than the sum of its proper divisors (2941443).

5615421 is a wasteful number, since it uses less digits than its factorization.

5615421 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 267411.

The product of its digits is 1200, while the sum is 24.

The square root of 5615421 is about 2369.6879541408. The cubic root of 5615421 is about 177.7436553289.

The spelling of 5615421 in words is "five million, six hundred fifteen thousand, four hundred twenty-one".