9958525 has 6 divisors (see below), whose sum is σ = 12348602. Its totient is φ = 7966800.

The previous prime is 9958519. The next prime is 9958537. The reversal of 9958525 is 5258599.

It can be written as a sum of positive squares in 3 ways, for example, as 391876 + 9566649 = 626^2 + 3093^2 .

It is not a de Polignac number, because 9958525 - 2¹¹ = 9956477 is a prime.

It is a Duffinian number.

9958525 is a lucky number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 199146 + ... + 199195.

Almost surely, 2^9958525 is an apocalyptic number.

It is an amenable number.

9958525 is a deficient number, since it is larger than the sum of its proper divisors (2390077).

9958525 is a wasteful number, since it uses less digits than its factorization.

9958525 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 398351 (or 398346 counting only the distinct ones).

The product of its digits is 162000, while the sum is 43.

The square root of 9958525 is about 3155.7130731421. The cubic root of 9958525 is about 215.1452056774.

It can be divided in two parts, 99 and 58525, that multiplied together give a palindrome (5793975).

The spelling of 9958525 in words is "nine million, nine hundred fifty-eight thousand, five hundred twenty-five".