535402061 has 2 divisors, whose sum is σ = 535402062. Its totient is φ = 535402060.

The previous prime is 535402057. The next prime is 535402129. The reversal of 535402061 is 160204535.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 507375625 + 28026436 = 22525^2 + 5294^2 .

It is a cyclic number.

It is not a de Polignac number, because 535402061 - 2² = 535402057 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 535402061.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (535432061) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 267701030 + 267701031.

It is an arithmetic number, because the mean of its divisors is an integer number (267701031).

Almost surely, 2^535402061 is an apocalyptic number.

It is an amenable number.

535402061 is a deficient number, since it is larger than the sum of its proper divisors (1).

535402061 is an equidigital number, since it uses as much as digits as its factorization.

535402061 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 3600, while the sum is 26.

The square root of 535402061 is about 23138.7566865638. The cubic root of 535402061 is about 812.0074482439.

Adding to 535402061 its reverse (160204535), we get a palindrome (695606596).

The spelling of 535402061 in words is "five hundred thirty-five million, four hundred two thousand, sixty-one".