998083525 has 18 divisors (see below), whose sum is σ = 1259469302. Its totient is φ = 784406400.

The previous prime is 998083519. The next prime is 998083573. The reversal of 998083525 is 525380899.

It can be written as a sum of positive squares in 9 ways, for example, as 154703844 + 843379681 = 12438^2 + 29041^2 .

It is not a de Polignac number, because 998083525 - 2⁹ = 998083013 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

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 in 17 ways as a sum of consecutive naturals, for example, 1233321 + ... + 1234129.

Almost surely, 2^998083525 is an apocalyptic number.

It is an amenable number.

998083525 is a deficient number, since it is larger than the sum of its proper divisors (261385777).

998083525 is an frugal number, since it uses more digits than its factorization.

998083525 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1689 (or 875 counting only the distinct ones).

The product of its (nonzero) digits is 777600, while the sum is 49.

The square root of 998083525 is about 31592.4599390424. The cubic root of 998083525 is about 999.3607664676.

The spelling of 998083525 in words is "nine hundred ninety-eight million, eighty-three thousand, five hundred twenty-five".