25060505 has 4 divisors (see below), whose sum is σ = 30072612. Its totient is φ = 20048400.

The previous prime is 25060489. The next prime is 25060513. The reversal of 25060505 is 50506052.

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 7529536 + 17530969 = 2744^2 + 4187^2 .

It is not a de Polignac number, because 25060505 - 2⁴ = 25060489 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2506046 + ... + 2506055.

It is an arithmetic number, because the mean of its divisors is an integer number (7518153).

Almost surely, 2^25060505 is an apocalyptic number.

It is an amenable number.

25060505 is a deficient number, since it is larger than the sum of its proper divisors (5012107).

25060505 is an equidigital number, since it uses as much as digits as its factorization.

25060505 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5012106.

The product of its (nonzero) digits is 1500, while the sum is 23.

The square root of 25060505 is about 5006.0468435683. The cubic root of 25060505 is about 292.6374740339.

Adding to 25060505 its reverse (50506052), we get a palindrome (75566557).

The spelling of 25060505 in words is "twenty-five million, sixty thousand, five hundred five".