26247641 has 8 divisors (see below), whose sum is σ = 30030144. Its totient is φ = 22473360.

The previous prime is 26247631. The next prime is 26247647. The reversal of 26247641 is 14674262.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a de Polignac number, because none of the positive numbers 2^k-26247641 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 26247598 and 26247607.

It is not an unprimeable number, because it can be changed into a prime (26247647) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8246 + ... + 10976.

It is an arithmetic number, because the mean of its divisors is an integer number (3753768).

Almost surely, 2^26247641 is an apocalyptic number.

It is an amenable number.

26247641 is a deficient number, since it is larger than the sum of its proper divisors (3782503).

26247641 is a wasteful number, since it uses less digits than its factorization.

26247641 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4111.

The product of its digits is 16128, while the sum is 32.

The square root of 26247641 is about 5123.2451629802. The cubic root of 26247641 is about 297.1871946972.

It can be divided in two parts, 26 and 247641, that multiplied together give a triangular number (6438666 = T₃₅₈₈).

The spelling of 26247641 in words is "twenty-six million, two hundred forty-seven thousand, six hundred forty-one".