99521302 has 4 divisors (see below), whose sum is σ = 149281956. Its totient is φ = 49760650.

The previous prime is 99521291. The next prime is 99521327. The reversal of 99521302 is 20312599.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 20312599 = 431 ⋅47129.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 24880324 + ... + 24880327.

It is an arithmetic number, because the mean of its divisors is an integer number (37320489).

Almost surely, 2^99521302 is an apocalyptic number.

99521302 is a deficient number, since it is larger than the sum of its proper divisors (49760654).

99521302 is a wasteful number, since it uses less digits than its factorization.

99521302 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 49760653.

The product of its (nonzero) digits is 4860, while the sum is 31.

The square root of 99521302 is about 9976.0363872632. The cubic root of 99521302 is about 463.4170586352.

The spelling of 99521302 in words is "ninety-nine million, five hundred twenty-one thousand, three hundred two".