525772141 has 8 divisors (see below), whose sum is σ = 557056440. Its totient is φ = 494527488.

The previous prime is 525772139. The next prime is 525772147. The reversal of 525772141 is 141277525.

It can be written as a sum of positive squares in 4 ways, for example, as 14062500 + 511709641 = 3750^2 + 22621^2 .

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 525772141 - 2¹ = 525772139 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 525772097 and 525772106.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (525772147) 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, 20005 + ... + 38101.

It is an arithmetic number, because the mean of its divisors is an integer number (69632055).

Almost surely, 2^525772141 is an apocalyptic number.

It is an amenable number.

525772141 is a deficient number, since it is larger than the sum of its proper divisors (31284299).

525772141 is a wasteful number, since it uses less digits than its factorization.

525772141 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19823.

The product of its digits is 19600, while the sum is 34.

The square root of 525772141 is about 22929.7217820016. The cubic root of 525772141 is about 807.1096195704.

The spelling of 525772141 in words is "five hundred twenty-five million, seven hundred seventy-two thousand, one hundred forty-one".