2531219 has 8 divisors (see below), whose sum is σ = 2661120. Its totient is φ = 2403016.

The previous prime is 2531209. The next prime is 2531233. The reversal of 2531219 is 9121352.

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 2531219 - 2⁴ = 2531203 is a prime.

It is a super-2 number, since 2×2531219² = 12814139251922, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (23).

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 2531194 and 2531203.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2531209) by changing a digit.

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, 3512 + ... + 4170.

It is an arithmetic number, because the mean of its divisors is an integer number (332640).

2^2531219 is an apocalyptic number.

2531219 is a deficient number, since it is larger than the sum of its proper divisors (129901).

2531219 is a wasteful number, since it uses less digits than its factorization.

2531219 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 849.

The product of its digits is 540, while the sum is 23.

The square root of 2531219 is about 1590.9805152798. The cubic root of 2531219 is about 136.2834881072.

The spelling of 2531219 in words is "two million, five hundred thirty-one thousand, two hundred nineteen".