525279040 has 168 divisors, whose sum is σ = 1479243168. Its totient is φ = 176117760.

The previous prime is 525279017. The next prime is 525279043. The reversal of 525279040 is 40972525.

It is a junction number, because it is equal to n+sod(n) for n = 525278987 and 525279005.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (525279043) 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, 594439 + ... + 595321.

Almost surely, 2^525279040 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 525279040, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (739621584).

525279040 is an abundant number, since it is smaller than the sum of its proper divisors (953964128).

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

525279040 is a wasteful number, since it uses less digits than its factorization.

525279040 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 937 (or 914 counting only the distinct ones).

The product of its (nonzero) digits is 25200, while the sum is 34.

The square root of 525279040 is about 22918.9668179000. The cubic root of 525279040 is about 806.8572218662.

The spelling of 525279040 in words is "five hundred twenty-five million, two hundred seventy-nine thousand, forty".