25612801 has 2 divisors, whose sum is σ = 25612802. Its totient is φ = 25612800.

The previous prime is 25612759. The next prime is 25612831. The reversal of 25612801 is 10821652.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 15366400 + 10246401 = 3920^2 + 3201^2 .

It is a cyclic number.

It is not a de Polignac number, because 25612801 - 2⁷ = 25612673 is a prime.

It is not a weakly prime, because it can be changed into another prime (25612831) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 12806400 + 12806401.

It is an arithmetic number, because the mean of its divisors is an integer number (12806401).

Almost surely, 2^25612801 is an apocalyptic number.

It is an amenable number.

25612801 is a deficient number, since it is larger than the sum of its proper divisors (1).

25612801 is an equidigital number, since it uses as much as digits as its factorization.

25612801 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 960, while the sum is 25.

The square root of 25612801 is about 5060.9091080556. The cubic root of 25612801 is about 294.7716359630.

The spelling of 25612801 in words is "twenty-five million, six hundred twelve thousand, eight hundred one".