99925481 has 4 divisors (see below), whose sum is σ = 100859472. Its totient is φ = 98991492.

The previous prime is 99925457. The next prime is 99925489. The reversal of 99925481 is 18452999.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 99925481 - 2⁶ = 99925417 is a prime.

It is a super-2 number, since 2×99925481² = 19970203506162722, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (99925489) 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, 466835 + ... + 467048.

It is an arithmetic number, because the mean of its divisors is an integer number (25214868).

Almost surely, 2^99925481 is an apocalyptic number.

It is an amenable number.

99925481 is a deficient number, since it is larger than the sum of its proper divisors (933991).

99925481 is a wasteful number, since it uses less digits than its factorization.

99925481 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 933990.

The product of its digits is 233280, while the sum is 47.

The square root of 99925481 is about 9996.2733556061. The cubic root of 99925481 is about 464.0435591910.

It can be divided in two parts, 99 and 925481, that multiplied together give a palindrome (91622619).

The spelling of 99925481 in words is "ninety-nine million, nine hundred twenty-five thousand, four hundred eighty-one".