99503258 has 4 divisors (see below), whose sum is σ = 149254890. Its totient is φ = 49751628.

The previous prime is 99503251. The next prime is 99503293. The reversal of 99503258 is 85230599.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 92602129 + 6901129 = 9623^2 + 2627^2 .

It is a super-2 number, since 2×99503258² = 19801796705229128, which contains 22 as substring.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (99503251) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 24875813 + ... + 24875816.

Almost surely, 2^99503258 is an apocalyptic number.

99503258 is a deficient number, since it is larger than the sum of its proper divisors (49751632).

99503258 is a wasteful number, since it uses less digits than its factorization.

99503258 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 49751631.

The product of its (nonzero) digits is 97200, while the sum is 41.

The square root of 99503258 is about 9975.1319790768. The cubic root of 99503258 is about 463.3890498818.

The spelling of 99503258 in words is "ninety-nine million, five hundred three thousand, two hundred fifty-eight".