25732901 has 2 divisors, whose sum is σ = 25732902. Its totient is φ = 25732900.

The previous prime is 25732879. The next prime is 25732921. The reversal of 25732901 is 10923752.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 23512801 + 2220100 = 4849^2 + 1490^2 .

It is a cyclic number.

It is not a de Polignac number, because 25732901 - 2¹⁰ = 25731877 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (25732921) 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, 12866450 + 12866451.

It is an arithmetic number, because the mean of its divisors is an integer number (12866451).

Almost surely, 2^25732901 is an apocalyptic number.

It is an amenable number.

25732901 is a deficient number, since it is larger than the sum of its proper divisors (1).

25732901 is an equidigital number, since it uses as much as digits as its factorization.

25732901 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 3780, while the sum is 29.

The square root of 25732901 is about 5072.7606882249. The cubic root of 25732901 is about 295.2316518096.

The spelling of 25732901 in words is "twenty-five million, seven hundred thirty-two thousand, nine hundred one".