2524213421 has 4 divisors (see below), whose sum is σ = 2585779644. Its totient is φ = 2462647200.

The previous prime is 2524213411. The next prime is 2524213423. The reversal of 2524213421 is 1243124252.

2524213421 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It can be written as a sum of positive squares in 2 ways, for example, as 1045810921 + 1478402500 = 32339^2 + 38450^2 .

It is a cyclic number.

It is not a de Polignac number, because 2524213421 - 2¹⁴ = 2524197037 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2524213423) 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, 30783050 + ... + 30783131.

It is an arithmetic number, because the mean of its divisors is an integer number (646444911).

Almost surely, 2^2524213421 is an apocalyptic number.

It is an amenable number.

2524213421 is a deficient number, since it is larger than the sum of its proper divisors (61566223).

2524213421 is an equidigital number, since it uses as much as digits as its factorization.

2524213421 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 61566222.

The product of its digits is 3840, while the sum is 26.

The square root of 2524213421 is about 50241.5507423885. The cubic root of 2524213421 is about 1361.5764269365.

Adding to 2524213421 its reverse (1243124252), we get a palindrome (3767337673).

The spelling of 2524213421 in words is "two billion, five hundred twenty-four million, two hundred thirteen thousand, four hundred twenty-one".