525142297 has 2 divisors, whose sum is σ = 525142298. Its totient is φ = 525142296.

The previous prime is 525142259. The next prime is 525142361. The reversal of 525142297 is 792241525.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 524593216 + 549081 = 22904^2 + 741^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-525142297 is a prime.

It is equal to p_27608743 and since 525142297 and 27608743 have the same sum of digits, it is a Honaker prime.

It is not a weakly prime, because it can be changed into another prime (525142897) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 262571148 + 262571149.

It is an arithmetic number, because the mean of its divisors is an integer number (262571149).

Almost surely, 2^525142297 is an apocalyptic number.

It is an amenable number.

525142297 is a deficient number, since it is larger than the sum of its proper divisors (1).

525142297 is an equidigital number, since it uses as much as digits as its factorization.

525142297 is an evil number, because the sum of its binary digits is even.

The product of its digits is 50400, while the sum is 37.

The square root of 525142297 is about 22915.9834395123. The cubic root of 525142297 is about 806.7872008906.

The spelling of 525142297 in words is "five hundred twenty-five million, one hundred forty-two thousand, two hundred ninety-seven".