2573248421 has 8 divisors (see below), whose sum is σ = 2627878680. Its totient is φ = 2518843392.

The previous prime is 2573248417. The next prime is 2573248429. The reversal of 2573248421 is 1248423752.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 8940100 + 2564308321 = 2990^2 + 50639^2 .

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 2573248421 - 2² = 2573248417 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2573248429) 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, 33116 + ... + 79013.

It is an arithmetic number, because the mean of its divisors is an integer number (328484835).

Almost surely, 2^2573248421 is an apocalyptic number.

It is an amenable number.

2573248421 is a deficient number, since it is larger than the sum of its proper divisors (54630259).

2573248421 is a wasteful number, since it uses less digits than its factorization.

2573248421 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 112615.

The product of its digits is 107520, while the sum is 38.

The square root of 2573248421 is about 50727.1960687756. The cubic root of 2573248421 is about 1370.3365399447.

The spelling of 2573248421 in words is "two billion, five hundred seventy-three million, two hundred forty-eight thousand, four hundred twenty-one".