98215525 has 6 divisors (see below), whose sum is σ = 121787282. Its totient is φ = 78572400.

The previous prime is 98215517. The next prime is 98215529. The reversal of 98215525 is 52551289.

It can be written as a sum of positive squares in 3 ways, for example, as 13557124 + 84658401 = 3682^2 + 9201^2 .

It is not a de Polignac number, because 98215525 - 2³ = 98215517 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (98215529) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1964286 + ... + 1964335.

Almost surely, 2^98215525 is an apocalyptic number.

It is an amenable number.

98215525 is a deficient number, since it is larger than the sum of its proper divisors (23571757).

98215525 is a wasteful number, since it uses less digits than its factorization.

98215525 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3928631 (or 3928626 counting only the distinct ones).

The product of its digits is 36000, while the sum is 37.

The square root of 98215525 is about 9910.3746145138. The cubic root of 98215525 is about 461.3813627898.

The spelling of 98215525 in words is "ninety-eight million, two hundred fifteen thousand, five hundred twenty-five".