535525780 has 24 divisors (see below), whose sum is σ = 1145825352. Its totient is φ = 210168192.

The previous prime is 535525777. The next prime is 535525787. The reversal of 535525780 is 87525535.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 173080336 + 362445444 = 13156^2 + 19038^2 .

It is a super-2 number, since 2×535525780² = 573575722089216800, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (535525787) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 251547 + ... + 253666.

It is an arithmetic number, because the mean of its divisors is an integer number (47742723).

Almost surely, 2^535525780 is an apocalyptic number.

It is an amenable number.

535525780 is an abundant number, since it is smaller than the sum of its proper divisors (610299572).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

535525780 is a wasteful number, since it uses less digits than its factorization.

535525780 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 505275 (or 505273 counting only the distinct ones).

The product of its (nonzero) digits is 210000, while the sum is 40.

The square root of 535525780 is about 23141.4299471748. The cubic root of 535525780 is about 812.0699887904.

The spelling of 535525780 in words is "five hundred thirty-five million, five hundred twenty-five thousand, seven hundred eighty".