26251641 has 32 divisors (see below), whose sum is σ = 43344000. Its totient is φ = 15591744.

The previous prime is 26251633. The next prime is 26251649. The reversal of 26251641 is 14615262.

It is an interprime number because it is at equal distance from previous prime (26251633) and next prime (26251649).

It is not a de Polignac number, because 26251641 - 2³ = 26251633 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is not an unprimeable number, because it can be changed into a prime (26251649) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 8890 + ... + 11468.

It is an arithmetic number, because the mean of its divisors is an integer number (1354500).

Almost surely, 2^26251641 is an apocalyptic number.

It is an amenable number.

26251641 is a deficient number, since it is larger than the sum of its proper divisors (17092359).

26251641 is a wasteful number, since it uses less digits than its factorization.

26251641 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2630 (or 2624 counting only the distinct ones).

The product of its digits is 2880, while the sum is 27.

The square root of 26251641 is about 5123.6355256790. The cubic root of 26251641 is about 297.2022905097.

The spelling of 26251641 in words is "twenty-six million, two hundred fifty-one thousand, six hundred forty-one".