10205401 has 2 divisors, whose sum is σ = 10205402. Its totient is φ = 10205400.

The previous prime is 10205383. The next prime is 10205411. The reversal of 10205401 is 10450201.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 7952400 + 2253001 = 2820^2 + 1501^2 .

It is an emirp because it is prime and its reverse (10450201) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 10205401 - 2¹⁷ = 10074329 is a prime.

It is not a weakly prime, because it can be changed into another prime (10205411) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5102700 + 5102701.

It is an arithmetic number, because the mean of its divisors is an integer number (5102701).

Almost surely, 2^10205401 is an apocalyptic number.

It is an amenable number.

10205401 is a deficient number, since it is larger than the sum of its proper divisors (1).

10205401 is an equidigital number, since it uses as much as digits as its factorization.

10205401 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 40, while the sum is 13.

The square root of 10205401 is about 3194.5893319799. The cubic root of 10205401 is about 216.9085600854.

Adding to 10205401 its reverse (10450201), we get a palindrome (20655602).

The spelling of 10205401 in words is "ten million, two hundred five thousand, four hundred one".