99751403 has 4 divisors (see below), whose sum is σ = 99803208. Its totient is φ = 99699600.

The previous prime is 99751373. The next prime is 99751417. The reversal of 99751403 is 30415799.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 30415799 = 53 ⋅573883.

It is a cyclic number.

It is not a de Polignac number, because 99751403 - 2⁶ = 99751339 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (99751423) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 22898 + ... + 26903.

It is an arithmetic number, because the mean of its divisors is an integer number (24950802).

Almost surely, 2^99751403 is an apocalyptic number.

99751403 is a deficient number, since it is larger than the sum of its proper divisors (51805).

99751403 is a wasteful number, since it uses less digits than its factorization.

99751403 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 51804.

The product of its (nonzero) digits is 34020, while the sum is 38.

The square root of 99751403 is about 9987.5624153244. The cubic root of 99751403 is about 463.7739358424.

The spelling of 99751403 in words is "ninety-nine million, seven hundred fifty-one thousand, four hundred three".