535678553 has 2 divisors, whose sum is σ = 535678554. Its totient is φ = 535678552.

The previous prime is 535678547. The next prime is 535678567. The reversal of 535678553 is 355876535.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 511981129 + 23697424 = 22627^2 + 4868^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-535678553 is a prime.

It is a Sophie Germain prime.

It is a Chen prime.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 535678498 and 535678507.

It is not a weakly prime, because it can be changed into another prime (535671553) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 267839276 + 267839277.

It is an arithmetic number, because the mean of its divisors is an integer number (267839277).

Almost surely, 2^535678553 is an apocalyptic number.

It is an amenable number.

535678553 is a deficient number, since it is larger than the sum of its proper divisors (1).

535678553 is an equidigital number, since it uses as much as digits as its factorization.

535678553 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1890000, while the sum is 47.

The square root of 535678553 is about 23144.7305665890. The cubic root of 535678553 is about 812.1472029835.

The spelling of 535678553 in words is "five hundred thirty-five million, six hundred seventy-eight thousand, five hundred fifty-three".