10261001 has 2 divisors, whose sum is σ = 10261002. Its totient is φ = 10261000.

The previous prime is 10260989. The next prime is 10261003. The reversal of 10261001 is 10016201.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 6497401 + 3763600 = 2549^2 + 1940^2 .

It is a cyclic number.

It is not a de Polignac number, because 10261001 - 2¹⁴ = 10244617 is a prime.

Together with 10261003, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (10261003) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5130500 + 5130501.

It is an arithmetic number, because the mean of its divisors is an integer number (5130501).

Almost surely, 2^10261001 is an apocalyptic number.

It is an amenable number.

10261001 is a deficient number, since it is larger than the sum of its proper divisors (1).

10261001 is an equidigital number, since it uses as much as digits as its factorization.

10261001 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 12, while the sum is 11.

The square root of 10261001 is about 3203.2797255313. The cubic root of 10261001 is about 217.3017597397.

Adding to 10261001 its reverse (10016201), we get a palindrome (20277202).

The spelling of 10261001 in words is "ten million, two hundred sixty-one thousand, one".