26378201 has 2 divisors, whose sum is σ = 26378202. Its totient is φ = 26378200.

The previous prime is 26378167. The next prime is 26378249. The reversal of 26378201 is 10287362.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 18284176 + 8094025 = 4276^2 + 2845^2 .

It is a cyclic number.

It is not a de Polignac number, because 26378201 - 2¹⁰ = 26377177 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (26378501) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 13189100 + 13189101.

It is an arithmetic number, because the mean of its divisors is an integer number (13189101).

Almost surely, 2^26378201 is an apocalyptic number.

It is an amenable number.

26378201 is a deficient number, since it is larger than the sum of its proper divisors (1).

26378201 is an equidigital number, since it uses as much as digits as its factorization.

26378201 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 4032, while the sum is 29.

The square root of 26378201 is about 5135.9712810724. The cubic root of 26378201 is about 297.6791322849.

The spelling of 26378201 in words is "twenty-six million, three hundred seventy-eight thousand, two hundred one".