525142298 has 4 divisors (see below), whose sum is σ = 787713450. Its totient is φ = 262571148.

The previous prime is 525142297. The next prime is 525142361. The reversal of 525142298 is 892241525.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 289918729 + 235223569 = 17027^2 + 15337^2 .

It is not an unprimeable number, because it can be changed into a prime (525142297) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 131285573 + ... + 131285576.

Almost surely, 2^525142298 is an apocalyptic number.

525142298 is a deficient number, since it is larger than the sum of its proper divisors (262571152).

525142298 is a wasteful number, since it uses less digits than its factorization.

525142298 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 262571151.

The product of its digits is 57600, while the sum is 38.

The square root of 525142298 is about 22915.9834613311. The cubic root of 525142298 is about 806.7872014027.

The spelling of 525142298 in words is "five hundred twenty-five million, one hundred forty-two thousand, two hundred ninety-eight".