5409251 has 4 divisors (see below), whose sum is σ = 5461872. Its totient is φ = 5356632.

The previous prime is 5409241. The next prime is 5409259. The reversal of 5409251 is 1529045.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 5409251 - 2²² = 1214947 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 5409251.

It is not an unprimeable number, because it can be changed into a prime (5409259) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 26156 + ... + 26361.

It is an arithmetic number, because the mean of its divisors is an integer number (1365468).

Almost surely, 2^5409251 is an apocalyptic number.

5409251 is a deficient number, since it is larger than the sum of its proper divisors (52621).

5409251 is a wasteful number, since it uses less digits than its factorization.

5409251 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 52620.

The product of its (nonzero) digits is 1800, while the sum is 26.

The square root of 5409251 is about 2325.7796542235. The cubic root of 5409251 is about 175.5411926478.

The spelling of 5409251 in words is "five million, four hundred nine thousand, two hundred fifty-one".