525142530 has 48 divisors (see below), whose sum is σ = 1489497984. Its totient is φ = 127307040.

The previous prime is 525142507. The next prime is 525142537. The reversal of 525142530 is 35241525.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 525142494 and 525142503.

It is not an unprimeable number, because it can be changed into a prime (525142537) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 264234 + ... + 266213.

It is an arithmetic number, because the mean of its divisors is an integer number (31031208).

Almost surely, 2^525142530 is an apocalyptic number.

525142530 is an abundant number, since it is smaller than the sum of its proper divisors (964355454).

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

525142530 is a wasteful number, since it uses less digits than its factorization.

525142530 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 530471 (or 530468 counting only the distinct ones).

The product of its (nonzero) digits is 6000, while the sum is 27.

The square root of 525142530 is about 22915.9885232996. The cubic root of 525142530 is about 806.7873202115.

The spelling of 525142530 in words is "five hundred twenty-five million, one hundred forty-two thousand, five hundred thirty".