25110401 has 2 divisors, whose sum is σ = 25110402. Its totient is φ = 25110400.

The previous prime is 25110391. The next prime is 25110413. The reversal of 25110401 is 10401152.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 24010000 + 1100401 = 4900^2 + 1049^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-25110401 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (25116401) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 12555200 + 12555201.

It is an arithmetic number, because the mean of its divisors is an integer number (12555201).

Almost surely, 2^25110401 is an apocalyptic number.

It is an amenable number.

25110401 is a deficient number, since it is larger than the sum of its proper divisors (1).

25110401 is an equidigital number, since it uses as much as digits as its factorization.

25110401 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 14.

The square root of 25110401 is about 5011.0279384573. The cubic root of 25110401 is about 292.8315610979.

Adding to 25110401 its reverse (10401152), we get a palindrome (35511553).

The spelling of 25110401 in words is "twenty-five million, one hundred ten thousand, four hundred one".