525849020 has 12 divisors (see below), whose sum is σ = 1104282984. Its totient is φ = 210339600.

The previous prime is 525849017. The next prime is 525849029. The reversal of 525849020 is 20948525.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (525849029) 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 3 ways as a sum of consecutive naturals, for example, 13146206 + ... + 13146245.

It is an arithmetic number, because the mean of its divisors is an integer number (92023582).

Almost surely, 2^525849020 is an apocalyptic number.

It is an amenable number.

525849020 is an abundant number, since it is smaller than the sum of its proper divisors (578433964).

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

525849020 is a wasteful number, since it uses less digits than its factorization.

525849020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26292460 (or 26292458 counting only the distinct ones).

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

The square root of 525849020 is about 22931.3981257140. The cubic root of 525849020 is about 807.1489564818.

It can be divided in two parts, 5258 and 49020, that multiplied together give a triangular number (257747160 = T₂₂₇₀₄).

The spelling of 525849020 in words is "five hundred twenty-five million, eight hundred forty-nine thousand, twenty".