998650825 has 12 divisors (see below), whose sum is σ = 1258629388. Its totient is φ = 785822400.

The previous prime is 998650787. The next prime is 998650837. The reversal of 998650825 is 528056899.

It can be written as a sum of positive squares in 6 ways, for example, as 134467216 + 864183609 = 11596^2 + 29397^2 .

It is not a de Polignac number, because 998650825 - 2²¹ = 996553673 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 325902 + ... + 328951.

Almost surely, 2^998650825 is an apocalyptic number.

It is an amenable number.

998650825 is a deficient number, since it is larger than the sum of its proper divisors (259978563).

998650825 is a wasteful number, since it uses less digits than its factorization.

998650825 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 654924 (or 654919 counting only the distinct ones).

The product of its (nonzero) digits is 1555200, while the sum is 52.

The square root of 998650825 is about 31601.4370717536. The cubic root of 998650825 is about 999.5500725957.

The spelling of 998650825 in words is "nine hundred ninety-eight million, six hundred fifty thousand, eight hundred twenty-five".