2535401861 has 2 divisors, whose sum is σ = 2535401862. Its totient is φ = 2535401860.

The previous prime is 2535401851. The next prime is 2535401881. The reversal of 2535401861 is 1681045352.

2535401861 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 2477550625 + 57851236 = 49775^2 + 7606^2 .

It is a cyclic number.

It is not a de Polignac number, because 2535401861 - 2¹⁴ = 2535385477 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2535401831) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1267700930 + 1267700931.

It is an arithmetic number, because the mean of its divisors is an integer number (1267700931).

Almost surely, 2^2535401861 is an apocalyptic number.

It is an amenable number.

2535401861 is a deficient number, since it is larger than the sum of its proper divisors (1).

2535401861 is an equidigital number, since it uses as much as digits as its factorization.

2535401861 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 28800, while the sum is 35.

The square root of 2535401861 is about 50352.7741142432. The cubic root of 2535401861 is about 1363.5851666962.

The spelling of 2535401861 in words is "two billion, five hundred thirty-five million, four hundred one thousand, eight hundred sixty-one".