525475469 has 6 divisors (see below), whose sum is σ = 529048170. Its totient is φ = 521926736.

The previous prime is 525475459. The next prime is 525475493. The reversal of 525475469 is 964574525.

It can be written as a sum of positive squares in 3 ways, for example, as 7912969 + 517562500 = 2813^2 + 22750^2 .

It is not a de Polignac number, because 525475469 - 2⁸ = 525475213 is a prime.

It is a super-2 number, since 2×525475469² = 552248937041539922, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (525475459) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 10367 + ... + 34035.

It is an arithmetic number, because the mean of its divisors is an integer number (88174695).

Almost surely, 2^525475469 is an apocalyptic number.

It is an amenable number.

525475469 is a deficient number, since it is larger than the sum of its proper divisors (3572701).

525475469 is an equidigital number, since it uses as much as digits as its factorization.

525475469 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23967 (or 23818 counting only the distinct ones).

The product of its digits is 1512000, while the sum is 47.

The square root of 525475469 is about 22923.2517108721. The cubic root of 525475469 is about 806.9577845471.

The spelling of 525475469 in words is "five hundred twenty-five million, four hundred seventy-five thousand, four hundred sixty-nine".