525142525 has 6 divisors (see below), whose sum is σ = 651176762. Its totient is φ = 420114000.

The previous prime is 525142507. The next prime is 525142537. The reversal of 525142525 is 525241525.

It is a happy number.

It can be written as a sum of positive squares in 3 ways, for example, as 159491641 + 365650884 = 12629^2 + 19122^2 .

It is not a de Polignac number, because 525142525 - 2²¹ = 523045373 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 10502826 + ... + 10502875.

Almost surely, 2^525142525 is an apocalyptic number.

It is an amenable number.

525142525 is a deficient number, since it is larger than the sum of its proper divisors (126034237).

525142525 is a wasteful number, since it uses less digits than its factorization.

525142525 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21005711 (or 21005706 counting only the distinct ones).

The product of its digits is 20000, while the sum is 31.

The square root of 525142525 is about 22915.9884142055. The cubic root of 525142525 is about 806.7873176510.

The spelling of 525142525 in words is "five hundred twenty-five million, one hundred forty-two thousand, five hundred twenty-five".