99442503 has 24 divisors (see below), whose sum is σ = 152575488. Its totient is φ = 62195712.

The previous prime is 99442481. The next prime is 99442517. The reversal of 99442503 is 30524499.

It is not a de Polignac number, because 99442503 - 2⁵ = 99442471 is a prime.

It is a super-2 number, since 2×99442503² = 19777622805810018, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (99447503) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 57751 + ... + 59447.

It is an arithmetic number, because the mean of its divisors is an integer number (6357312).

Almost surely, 2^99442503 is an apocalyptic number.

99442503 is a deficient number, since it is larger than the sum of its proper divisors (53132985).

99442503 is a wasteful number, since it uses less digits than its factorization.

99442503 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2103 (or 2100 counting only the distinct ones).

The product of its (nonzero) digits is 38880, while the sum is 36.

The square root of 99442503 is about 9972.0861909633. The cubic root of 99442503 is about 463.2947181846.

The spelling of 99442503 in words is "ninety-nine million, four hundred forty-two thousand, five hundred three".