99242461 has 4 divisors (see below), whose sum is σ = 99286524. Its totient is φ = 99198400.

The previous prime is 99242449. The next prime is 99242471. The reversal of 99242461 is 16424299.

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: 16424299 = 631 ⋅26029.

It can be written as a sum of positive squares in 2 ways, for example, as 31427236 + 67815225 = 5606^2 + 8235^2 .

It is a cyclic number.

It is not a de Polignac number, because 99242461 - 2¹¹ = 99240413 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 99242461.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (99242431) 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, 18460 + ... + 23221.

It is an arithmetic number, because the mean of its divisors is an integer number (24821631).

Almost surely, 2^99242461 is an apocalyptic number.

It is an amenable number.

99242461 is a deficient number, since it is larger than the sum of its proper divisors (44063).

99242461 is a wasteful number, since it uses less digits than its factorization.

99242461 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 44062.

The product of its digits is 31104, while the sum is 37.

The square root of 99242461 is about 9962.0510438363. The cubic root of 99242461 is about 462.9838497135.

The spelling of 99242461 in words is "ninety-nine million, two hundred forty-two thousand, four hundred sixty-one".