525461162769 has 45 divisors (see below), whose sum is σ = 790592150667. Its totient is φ = 347806581696.

The previous prime is 525461162747. The next prime is 525461162773. The reversal of 525461162769 is 967261164525.

The square root of 525461162769 is 724887.

It is a perfect power (a square), and thus also a powerful number.

525461162769 is a `hidden beast` number, since 5 + 2 + 5 + 4 + 6 + 1 + 1 + 627 + 6 + 9 = 666.

It can be written as a sum of positive squares in only one way, i.e., 141695780625 + 383765382144 = 376425^2 + 619488^2 .

It is not a de Polignac number, because 525461162769 - 2⁹ = 525461162257 is a prime.

It is a super-2 number, since 2×525461162769² (a number of 24 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (525461162719) by changing a digit.

It is a polite number, since it can be written in 44 ways as a sum of consecutive naturals, for example, 1559231769 + ... + 1559232105.

Almost surely, 2^525461162769 is an apocalyptic number.

525461162769 is the 724887-th square number.

525461162769 is the 362444-th centered octagonal number.

It is an amenable number.

525461162769 is a deficient number, since it is larger than the sum of its proper divisors (265130987898).

525461162769 is an frugal number, since it uses more digits than its factorization.

525461162769 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1164 (or 579 counting only the distinct ones).

The product of its digits is 5443200, while the sum is 54.

The spelling of 525461162769 in words is "five hundred twenty-five billion, four hundred sixty-one million, one hundred sixty-two thousand, seven hundred sixty-nine".