525434557 has 8 divisors (see below), whose sum is σ = 556811640. Its totient is φ = 494941440.

The previous prime is 525434543. The next prime is 525434579. The reversal of 525434557 is 755434525.

It can be written as a sum of positive squares in 4 ways, for example, as 383161 + 525051396 = 619^2 + 22914^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 525434557 - 2²⁷ = 391216829 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (525434537) 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, 219768 + ... + 222145.

It is an arithmetic number, because the mean of its divisors is an integer number (69601455).

Almost surely, 2^525434557 is an apocalyptic number.

It is an amenable number.

525434557 is a deficient number, since it is larger than the sum of its proper divisors (31377083).

525434557 is a wasteful number, since it uses less digits than its factorization.

525434557 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 441983.

The product of its digits is 420000, while the sum is 40.

The square root of 525434557 is about 22922.3593244675. The cubic root of 525434557 is about 806.9368415373.

The spelling of 525434557 in words is "five hundred twenty-five million, four hundred thirty-four thousand, five hundred fifty-seven".