525452020 has 24 divisors (see below), whose sum is σ = 1151426304. Its totient is φ = 201042336.

The previous prime is 525451991. The next prime is 525452027. The reversal of 525452020 is 20254525.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (525452027) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 570684 + ... + 571603.

It is an arithmetic number, because the mean of its divisors is an integer number (47976096).

Almost surely, 2^525452020 is an apocalyptic number.

It is an amenable number.

525452020 is an abundant number, since it is smaller than the sum of its proper divisors (625974284).

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

525452020 is a wasteful number, since it uses less digits than its factorization.

525452020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1142319 (or 1142317 counting only the distinct ones).

The product of its (nonzero) digits is 4000, while the sum is 25.

The square root of 525452020 is about 22922.7402375894. The cubic root of 525452020 is about 806.9457810470.

It can be divided in two parts, 5 and 25452020, that added together give a square (25452025 = 5045²).

The spelling of 525452020 in words is "five hundred twenty-five million, four hundred fifty-two thousand, twenty".