2535245021 has 2 divisors, whose sum is σ = 2535245022. Its totient is φ = 2535245020.

The previous prime is 2535245017. The next prime is 2535245039. The reversal of 2535245021 is 1205425352.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1634584900 + 900660121 = 40430^2 + 30011^2 .

It is a cyclic number.

It is not a de Polignac number, because 2535245021 - 2² = 2535245017 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2535245821) 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 as a sum of consecutive naturals, namely, 1267622510 + 1267622511.

It is an arithmetic number, because the mean of its divisors is an integer number (1267622511).

Almost surely, 2^2535245021 is an apocalyptic number.

It is an amenable number.

2535245021 is a deficient number, since it is larger than the sum of its proper divisors (1).

2535245021 is an equidigital number, since it uses as much as digits as its factorization.

2535245021 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 12000, while the sum is 29.

The square root of 2535245021 is about 50351.2166784478. The cubic root of 2535245021 is about 1363.5570489829.

The spelling of 2535245021 in words is "two billion, five hundred thirty-five million, two hundred forty-five thousand, twenty-one".