25429801 has 2 divisors, whose sum is σ = 25429802. Its totient is φ = 25429800.

The previous prime is 25429787. The next prime is 25429819. The reversal of 25429801 is 10892452.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 25240576 + 189225 = 5024^2 + 435^2 .

It is a cyclic number.

It is not a de Polignac number, because 25429801 - 2¹⁵ = 25397033 is a prime.

It is not a weakly prime, because it can be changed into another prime (25429861) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 12714900 + 12714901.

It is an arithmetic number, because the mean of its divisors is an integer number (12714901).

Almost surely, 2^25429801 is an apocalyptic number.

It is an amenable number.

25429801 is a deficient number, since it is larger than the sum of its proper divisors (1).

25429801 is an equidigital number, since it uses as much as digits as its factorization.

25429801 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 5760, while the sum is 31.

The square root of 25429801 is about 5042.7969421741. The cubic root of 25429801 is about 294.0679228199.

The spelling of 25429801 in words is "twenty-five million, four hundred twenty-nine thousand, eight hundred one".