525474130 has 16 divisors (see below), whose sum is σ = 961360344. Its totient is φ = 206743680.

The previous prime is 525474121. The next prime is 525474137. The reversal of 525474130 is 31474525.

It can be written as a sum of positive squares in 4 ways, for example, as 186950929 + 338523201 = 13673^2 + 18399^2 .

It is a super-2 number, since 2×525474130² = 552246122598513800, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 525474092 and 525474101.

It is not an unprimeable number, because it can be changed into a prime (525474137) 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, 430107 + ... + 431326.

Almost surely, 2^525474130 is an apocalyptic number.

525474130 is a deficient number, since it is larger than the sum of its proper divisors (435886214).

525474130 is a wasteful number, since it uses less digits than its factorization.

525474130 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 861501.

The product of its (nonzero) digits is 16800, while the sum is 31.

The square root of 525474130 is about 22923.2225047003. Note that the first 3 decimals coincide. The cubic root of 525474130 is about 806.9570991250.

The spelling of 525474130 in words is "five hundred twenty-five million, four hundred seventy-four thousand, one hundred thirty".