2521403341 has 16 divisors (see below), whose sum is σ = 2760408640. Its totient is φ = 2294853120.

The previous prime is 2521403329. The next prime is 2521403351. The reversal of 2521403341 is 1433041252.

It is a cyclic number.

It is not a de Polignac number, because 2521403341 - 2⁵ = 2521403309 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 (2521403351) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 24541 + ... + 75133.

It is an arithmetic number, because the mean of its divisors is an integer number (172525540).

Almost surely, 2^2521403341 is an apocalyptic number.

It is an amenable number.

2521403341 is a deficient number, since it is larger than the sum of its proper divisors (239005299).

2521403341 is a wasteful number, since it uses less digits than its factorization.

2521403341 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 50716.

The product of its (nonzero) digits is 2880, while the sum is 25.

The square root of 2521403341 is about 50213.5772575506. The cubic root of 2521403341 is about 1361.0709811147.

Adding to 2521403341 its reverse (1433041252), we get a palindrome (3954444593).

It can be divided in two parts, 2521403 and 341, that added together give a square (2521744 = 1588²).

The spelling of 2521403341 in words is "two billion, five hundred twenty-one million, four hundred three thousand, three hundred forty-one".