2120501533 has 2 divisors, whose sum is σ = 2120501534. Its totient is φ = 2120501532.

The previous prime is 2120501447. The next prime is 2120501543. The reversal of 2120501533 is 3351050212.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1976069209 + 144432324 = 44453^2 + 12018^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2120501533 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2120501543) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1060250766 + 1060250767.

It is an arithmetic number, because the mean of its divisors is an integer number (1060250767).

Almost surely, 2^2120501533 is an apocalyptic number.

It is an amenable number.

2120501533 is a deficient number, since it is larger than the sum of its proper divisors (1).

2120501533 is an equidigital number, since it uses as much as digits as its factorization.

2120501533 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 900, while the sum is 22.

The square root of 2120501533 is about 46048.9037111634. The cubic root of 2120501533 is about 1284.7329524246.

Adding to 2120501533 its reverse (3351050212), we get a palindrome (5471551745).

The spelling of 2120501533 in words is "two billion, one hundred twenty million, five hundred one thousand, five hundred thirty-three".