10231261 has 2 divisors, whose sum is σ = 10231262. Its totient is φ = 10231260.

The previous prime is 10231241. The next prime is 10231283. The reversal of 10231261 is 16213201.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 6502500 + 3728761 = 2550^2 + 1931^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-10231261 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (10231201) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5115630 + 5115631.

It is an arithmetic number, because the mean of its divisors is an integer number (5115631).

Almost surely, 2^10231261 is an apocalyptic number.

It is an amenable number.

10231261 is a deficient number, since it is larger than the sum of its proper divisors (1).

10231261 is an equidigital number, since it uses as much as digits as its factorization.

10231261 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 72, while the sum is 16.

The square root of 10231261 is about 3198.6342397967. The cubic root of 10231261 is about 217.0916175390.

Adding to 10231261 its reverse (16213201), we get a palindrome (26444462).

The spelling of 10231261 in words is "ten million, two hundred thirty-one thousand, two hundred sixty-one".