525142897 has 2 divisors, whose sum is σ = 525142898. Its totient is φ = 525142896.

The previous prime is 525142873. The next prime is 525142927. The reversal of 525142897 is 798241525.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 379119841 + 146023056 = 19471^2 + 12084^2 .

It is a cyclic number.

It is not a de Polignac number, because 525142897 - 2⁷ = 525142769 is a prime.

It is not a weakly prime, because it can be changed into another prime (525142847) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 262571448 + 262571449.

It is an arithmetic number, because the mean of its divisors is an integer number (262571449).

Almost surely, 2^525142897 is an apocalyptic number.

It is an amenable number.

525142897 is a deficient number, since it is larger than the sum of its proper divisors (1).

525142897 is an equidigital number, since it uses as much as digits as its factorization.

525142897 is an evil number, because the sum of its binary digits is even.

The product of its digits is 201600, while the sum is 43.

The square root of 525142897 is about 22915.9965308079. The cubic root of 525142897 is about 806.7875081547.

It can be divided in two parts, 5251428 and 97, that added together give a palindrome (5251525).

The spelling of 525142897 in words is "five hundred twenty-five million, one hundred forty-two thousand, eight hundred ninety-seven".