2250001821533 has 2 divisors, whose sum is σ = 2250001821534. Its totient is φ = 2250001821532.

The previous prime is 2250001821479. The next prime is 2250001821577. The reversal of 2250001821533 is 3351281000522.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 2246002776889 + 3999044644 = 1498667^2 + 63238^2 .

It is a cyclic number.

It is not a de Polignac number, because 2250001821533 - 2⁶ = 2250001821469 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 2250001821533.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2250001827533) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1125000910766 + 1125000910767.

It is an arithmetic number, because the mean of its divisors is an integer number (1125000910767).

Almost surely, 2^{2250001821533} is an apocalyptic number.

It is an amenable number.

2250001821533 is a deficient number, since it is larger than the sum of its proper divisors (1).

2250001821533 is an equidigital number, since it uses as much as digits as its factorization.

2250001821533 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 14400, while the sum is 32.

The spelling of 2250001821533 in words is "two trillion, two hundred fifty billion, one million, eight hundred twenty-one thousand, five hundred thirty-three".