25100401 has 2 divisors, whose sum is σ = 25100402. Its totient is φ = 25100400.

The previous prime is 25100371. The next prime is 25100423. The reversal of 25100401 is 10400152.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 23512801 + 1587600 = 4849^2 + 1260^2 .

It is a cyclic number.

It is not a de Polignac number, because 25100401 - 2⁹ = 25099889 is a prime.

It is not a weakly prime, because it can be changed into another prime (25110401) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 12550200 + 12550201.

It is an arithmetic number, because the mean of its divisors is an integer number (12550201).

Almost surely, 2^25100401 is an apocalyptic number.

It is an amenable number.

25100401 is a deficient number, since it is larger than the sum of its proper divisors (1).

25100401 is an equidigital number, since it uses as much as digits as its factorization.

25100401 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 25100401 is about 5010.0300398301. The cubic root of 25100401 is about 292.7926833911.

Adding to 25100401 its reverse (10400152), we get a palindrome (35500553).

The spelling of 25100401 in words is "twenty-five million, one hundred thousand, four hundred one".