525069431 has 16 divisors (see below), whose sum is σ = 544938240. Its totient is φ = 505612800.

The previous prime is 525069409. The next prime is 525069481. The reversal of 525069431 is 134960525.

It is a cyclic number.

It is not a de Polignac number, because 525069431 - 2¹⁰ = 525068407 is a prime.

It is a super-2 number, since 2×525069431² = 551395814741327522, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 525069391 and 525069400.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (525069481) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1252940 + ... + 1253358.

It is an arithmetic number, because the mean of its divisors is an integer number (34058640).

Almost surely, 2^525069431 is an apocalyptic number.

525069431 is a deficient number, since it is larger than the sum of its proper divisors (19868809).

525069431 is a wasteful number, since it uses less digits than its factorization.

525069431 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 806.

The product of its (nonzero) digits is 32400, while the sum is 35.

The square root of 525069431 is about 22914.3935333231. The cubic root of 525069431 is about 806.7498839730.

The spelling of 525069431 in words is "five hundred twenty-five million, sixty-nine thousand, four hundred thirty-one".