99002501 has 4 divisors (see below), whose sum is σ = 106618092. Its totient is φ = 91386912.

The previous prime is 99002479. The next prime is 99002503. The reversal of 99002501 is 10520099.

It is a happy number.

It is a Cunningham number, because it is equal to 9950²+1.

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

It can be written as a sum of positive squares in 2 ways, for example, as 14638276 + 84364225 = 3826^2 + 9185^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-99002501 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (99002503) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3807776 + ... + 3807801.

It is an arithmetic number, because the mean of its divisors is an integer number (26654523).

Almost surely, 2^99002501 is an apocalyptic number.

It is an amenable number.

99002501 is a deficient number, since it is larger than the sum of its proper divisors (7615591).

99002501 is a wasteful number, since it uses less digits than its factorization.

99002501 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7615590.

The product of its (nonzero) digits is 810, while the sum is 26.

The square root of 99002501 is about 9950.0000502513. Note that the first 4 decimals coincide. The cubic root of 99002501 is about 462.6103964372.

The spelling of 99002501 in words is "ninety-nine million, two thousand, five hundred one".