5421615 has 8 divisors (see below), whose sum is σ = 8674608. Its totient is φ = 2891520.

The previous prime is 5421607. The next prime is 5421641. The reversal of 5421615 is 5161245.

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

It is not a de Polignac number, because 5421615 - 2³ = 5421607 is a prime.

It is a congruent number.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 180706 + ... + 180735.

It is an arithmetic number, because the mean of its divisors is an integer number (1084326).

Almost surely, 2^5421615 is an apocalyptic number.

5421615 is a deficient number, since it is larger than the sum of its proper divisors (3252993).

5421615 is a wasteful number, since it uses less digits than its factorization.

5421615 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 361449.

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

The square root of 5421615 is about 2328.4361704801. The cubic root of 5421615 is about 175.6748365214.

The spelling of 5421615 in words is "five million, four hundred twenty-one thousand, six hundred fifteen".