25061401 has 2 divisors, whose sum is σ = 25061402. Its totient is φ = 25061400.

The previous prime is 25061339. The next prime is 25061429. The reversal of 25061401 is 10416052.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 20115225 + 4946176 = 4485^2 + 2224^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-25061401 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (25061461) 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 as a sum of consecutive naturals, namely, 12530700 + 12530701.

It is an arithmetic number, because the mean of its divisors is an integer number (12530701).

Almost surely, 2^25061401 is an apocalyptic number.

It is an amenable number.

25061401 is a deficient number, since it is larger than the sum of its proper divisors (1).

25061401 is an equidigital number, since it uses as much as digits as its factorization.

25061401 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 240, while the sum is 19.

The square root of 25061401 is about 5006.1363345398. The cubic root of 25061401 is about 292.6409615940.

Adding to 25061401 its reverse (10416052), we get a palindrome (35477453).

The spelling of 25061401 in words is "twenty-five million, sixty-one thousand, four hundred one".