527498138 has 4 divisors (see below), whose sum is σ = 791247210. Its totient is φ = 263749068.

The previous prime is 527498131. The next prime is 527498141. The reversal of 527498138 is 831894725.

It is a happy number.

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., 274465489 + 253032649 = 16567^2 + 15907^2 .

It is a junction number, because it is equal to n+sod(n) for n = 527498092 and 527498101.

It is not an unprimeable number, because it can be changed into a prime (527498131) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 131874533 + ... + 131874536.

Almost surely, 2^527498138 is an apocalyptic number.

527498138 is a deficient number, since it is larger than the sum of its proper divisors (263749072).

527498138 is a wasteful number, since it uses less digits than its factorization.

527498138 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 263749071.

The product of its digits is 483840, while the sum is 47.

The square root of 527498138 is about 22967.3276199039. The cubic root of 527498138 is about 807.9918440588.

The spelling of 527498138 in words is "five hundred twenty-seven million, four hundred ninety-eight thousand, one hundred thirty-eight".