5621520041 has 4 divisors (see below), whose sum is σ = 5662553172. Its totient is φ = 5580486912.

The previous prime is 5621519977. The next prime is 5621520049. The reversal of 5621520041 is 1400251265.

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 1652016025 + 3969504016 = 40645^2 + 63004^2 .

It is a cyclic number.

It is not a de Polignac number, because 5621520041 - 2⁶ = 5621519977 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (5621520049) 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, 20516360 + ... + 20516633.

It is an arithmetic number, because the mean of its divisors is an integer number (1415638293).

Almost surely, 2^5621520041 is an apocalyptic number.

It is an amenable number.

5621520041 is a deficient number, since it is larger than the sum of its proper divisors (41033131).

5621520041 is a wasteful number, since it uses less digits than its factorization.

5621520041 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 41033130.

The product of its (nonzero) digits is 2400, while the sum is 26.

The square root of 5621520041 is about 74976.7966840409. The cubic root of 5621520041 is about 1778.0798256880.

The spelling of 5621520041 in words is "five billion, six hundred twenty-one million, five hundred twenty thousand, forty-one".