5401609 has 4 divisors (see below), whose sum is σ = 5477760. Its totient is φ = 5325460.

The previous prime is 5401603. The next prime is 5401633. The reversal of 5401609 is 9061045.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 5401609 - 2¹³ = 5393417 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (5401603) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 37969 + ... + 38110.

It is an arithmetic number, because the mean of its divisors is an integer number (1369440).

Almost surely, 2^5401609 is an apocalyptic number.

It is an amenable number.

5401609 is a deficient number, since it is larger than the sum of its proper divisors (76151).

5401609 is an equidigital number, since it uses as much as digits as its factorization.

5401609 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 76150.

The product of its (nonzero) digits is 1080, while the sum is 25.

The square root of 5401609 is about 2324.1361836175. The cubic root of 5401609 is about 175.4584875422.

The spelling of 5401609 in words is "five million, four hundred one thousand, six hundred nine".