25450801 has 4 divisors (see below), whose sum is σ = 25496100. Its totient is φ = 25405504.

The previous prime is 25450753. The next prime is 25450807. The reversal of 25450801 is 10805452.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 11723776 + 13727025 = 3424^2 + 3705^2 .

It is a cyclic number.

It is not a de Polignac number, because 25450801 - 2⁹ = 25450289 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (25450807) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 21796 + ... + 22933.

It is an arithmetic number, because the mean of its divisors is an integer number (6374025).

Almost surely, 2^25450801 is an apocalyptic number.

It is an amenable number.

25450801 is a deficient number, since it is larger than the sum of its proper divisors (45299).

25450801 is an equidigital number, since it uses as much as digits as its factorization.

25450801 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 45298.

The product of its (nonzero) digits is 1600, while the sum is 25.

The square root of 25450801 is about 5044.8786903156. The cubic root of 25450801 is about 294.1488479159.

The spelling of 25450801 in words is "twenty-five million, four hundred fifty thousand, eight hundred one".