99540250 has 24 divisors (see below), whose sum is σ = 186635124. Its totient is φ = 39753000.

The previous prime is 99540241. The next prime is 99540269. The reversal of 99540250 is 5204599.

It can be written as a sum of positive squares in 2 ways, for example, as 67289209 + 32251041 = 8203^2 + 5679^2 .

It is a super-2 number, since 2×99540250² = 19816522740125000, which contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 157435 + ... + 158065.

Almost surely, 2^99540250 is an apocalyptic number.

99540250 is a deficient number, since it is larger than the sum of its proper divisors (87094874).

99540250 is an frugal number, since it uses more digits than its factorization.

99540250 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1279 (or 638 counting only the distinct ones).

The product of its (nonzero) digits is 16200, while the sum is 34.

The square root of 99540250 is about 9976.9860178312. The cubic root of 99540250 is about 463.4464669764.

The spelling of 99540250 in words is "ninety-nine million, five hundred forty thousand, two hundred fifty".