25002998067 has 4 divisors (see below), whose sum is σ = 33337330760. Its totient is φ = 16668665376.

The previous prime is 25002998057. The next prime is 25002998077. The reversal of 25002998067 is 76089920052.

It is a semiprime because it is the product of two primes.

It is an interprime number because it is at equal distance from previous prime (25002998057) and next prime (25002998077).

It is not a de Polignac number, because 25002998067 - 2⁴ = 25002998051 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (25002998057) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4167166342 + ... + 4167166347.

It is an arithmetic number, because the mean of its divisors is an integer number (8334332690).

Almost surely, 2^25002998067 is an apocalyptic number.

25002998067 is a deficient number, since it is larger than the sum of its proper divisors (8334332693).

25002998067 is an equidigital number, since it uses as much as digits as its factorization.

25002998067 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8334332692.

The product of its (nonzero) digits is 544320, while the sum is 48.

The spelling of 25002998067 in words is "twenty-five billion, two million, nine hundred ninety-eight thousand, sixty-seven".