2251020524541 has 4 divisors (see below), whose sum is σ = 3001360699392. Its totient is φ = 1500680349692.

The previous prime is 2251020524537. The next prime is 2251020524549. The reversal of 2251020524541 is 1454250201522.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 2251020524541 - 2² = 2251020524537 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2251020524549) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 375170087421 + ... + 375170087426.

It is an arithmetic number, because the mean of its divisors is an integer number (750340174848).

Almost surely, 2^{2251020524541} is an apocalyptic number.

It is an amenable number.

2251020524541 is a deficient number, since it is larger than the sum of its proper divisors (750340174851).

2251020524541 is an equidigital number, since it uses as much as digits as its factorization.

2251020524541 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 750340174850.

The product of its (nonzero) digits is 32000, while the sum is 33.

The spelling of 2251020524541 in words is "two trillion, two hundred fifty-one billion, twenty million, five hundred twenty-four thousand, five hundred forty-one".