26250998 has 4 divisors (see below), whose sum is σ = 39376500. Its totient is φ = 13125498.

The previous prime is 26250979. The next prime is 26251007. The reversal of 26250998 is 89905262.

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

It is a super-2 number, since 2×26250998² = 1378229791992008, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

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 as a sum of consecutive naturals, namely, 6562748 + ... + 6562751.

It is an arithmetic number, because the mean of its divisors is an integer number (9844125).

Almost surely, 2^26250998 is an apocalyptic number.

26250998 is a deficient number, since it is larger than the sum of its proper divisors (13125502).

26250998 is a wasteful number, since it uses less digits than its factorization.

26250998 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13125501.

The product of its (nonzero) digits is 77760, while the sum is 41.

The square root of 26250998 is about 5123.5727768814. The cubic root of 26250998 is about 297.1998639613.

The spelling of 26250998 in words is "twenty-six million, two hundred fifty thousand, nine hundred ninety-eight".