25469401 has 2 divisors, whose sum is σ = 25469402. Its totient is φ = 25469400.

The previous prime is 25469377. The next prime is 25469419. The reversal of 25469401 is 10496452.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 18071001 + 7398400 = 4251^2 + 2720^2 .

It is a cyclic number.

It is not a de Polignac number, because 25469401 - 2⁵ = 25469369 is a prime.

It is not a weakly prime, because it can be changed into another prime (25469461) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 12734700 + 12734701.

It is an arithmetic number, because the mean of its divisors is an integer number (12734701).

Almost surely, 2^25469401 is an apocalyptic number.

It is an amenable number.

25469401 is a deficient number, since it is larger than the sum of its proper divisors (1).

25469401 is an equidigital number, since it uses as much as digits as its factorization.

25469401 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 8640, while the sum is 31.

The square root of 25469401 is about 5046.7218072725. The cubic root of 25469401 is about 294.2204872629.

The spelling of 25469401 in words is "twenty-five million, four hundred sixty-nine thousand, four hundred one".