26231641 has 2 divisors, whose sum is σ = 26231642. Its totient is φ = 26231640.

The previous prime is 26231627. The next prime is 26231657. The reversal of 26231641 is 14613262.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 24552025 + 1679616 = 4955^2 + 1296^2 .

It is a cyclic number.

It is not a de Polignac number, because 26231641 - 2⁹ = 26231129 is a prime.

It is not a weakly prime, because it can be changed into another prime (26231671) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 13115820 + 13115821.

It is an arithmetic number, because the mean of its divisors is an integer number (13115821).

Almost surely, 2^26231641 is an apocalyptic number.

It is an amenable number.

26231641 is a deficient number, since it is larger than the sum of its proper divisors (1).

26231641 is an equidigital number, since it uses as much as digits as its factorization.

26231641 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1728, while the sum is 25.

The square root of 26231641 is about 5121.6834146597. The cubic root of 26231641 is about 297.1267961060.

The spelling of 26231641 in words is "twenty-six million, two hundred thirty-one thousand, six hundred forty-one".