25010401 has 4 divisors (see below), whose sum is σ = 26934292. Its totient is φ = 23086512.

The previous prime is 25010353. The next prime is 25010413. The reversal of 25010401 is 10401052.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 3629025 + 21381376 = 1905^2 + 4624^2 .

It is a cyclic number.

It is not a de Polignac number, because 25010401 - 2¹³ = 25002209 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (13), and also a Moran number because the ratio is a prime number: 1923877 = 25010401 / (2 + 5 + 0 + 1 + 0 + 4 + 0 + 1).

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (25010431) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 961926 + ... + 961951.

It is an arithmetic number, because the mean of its divisors is an integer number (6733573).

Almost surely, 2^25010401 is an apocalyptic number.

It is an amenable number.

25010401 is a deficient number, since it is larger than the sum of its proper divisors (1923891).

25010401 is a wasteful number, since it uses less digits than its factorization.

25010401 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1923890.

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

The square root of 25010401 is about 5001.0399918417. The cubic root of 25010401 is about 292.4423184771.

Adding to 25010401 its reverse (10401052), we get a palindrome (35411453).

The spelling of 25010401 in words is "twenty-five million, ten thousand, four hundred one".