99967025 has 24 divisors (see below), whose sum is σ = 126554400. Its totient is φ = 78320000.

The previous prime is 99967013. The next prime is 99967027. The reversal of 99967025 is 52076999.

It is not a de Polignac number, because 99967025 - 2⁴ = 99967009 is a prime.

It is a hoax number, since the sum of its digits (47) coincides with the sum of the digits of its distinct prime factors.

It is not an unprimeable number, because it can be changed into a prime (99967027) 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 23 ways as a sum of consecutive naturals, for example, 398150 + ... + 398400.

It is an arithmetic number, because the mean of its divisors is an integer number (5273100).

Almost surely, 2^99967025 is an apocalyptic number.

It is an amenable number.

99967025 is a deficient number, since it is larger than the sum of its proper divisors (26587375).

99967025 is a wasteful number, since it uses less digits than its factorization.

99967025 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 529 (or 524 counting only the distinct ones).

The product of its (nonzero) digits is 306180, while the sum is 47.

The square root of 99967025 is about 9998.3511140588. The cubic root of 99967025 is about 464.1078589552.

The spelling of 99967025 in words is "ninety-nine million, nine hundred sixty-seven thousand, twenty-five".