98583521 has 4 divisors (see below), whose sum is σ = 99236544. Its totient is φ = 97930500.

The previous prime is 98583517. The next prime is 98583539. The reversal of 98583521 is 12538589.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 98583521 - 2² = 98583517 is a prime.

It is a super-2 number, since 2×98583521² = 19437421225514882, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (98589521) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 326285 + ... + 326586.

It is an arithmetic number, because the mean of its divisors is an integer number (24809136).

Almost surely, 2^98583521 is an apocalyptic number.

It is an amenable number.

98583521 is a deficient number, since it is larger than the sum of its proper divisors (653023).

98583521 is a wasteful number, since it uses less digits than its factorization.

98583521 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 653022.

The product of its digits is 86400, while the sum is 41.

The square root of 98583521 is about 9928.9234562464. The cubic root of 98583521 is about 461.9568824037.

The spelling of 98583521 in words is "ninety-eight million, five hundred eighty-three thousand, five hundred twenty-one".