25430026 has 8 divisors (see below), whose sum is σ = 39176100. Its totient is φ = 12371328.

The previous prime is 25430023. The next prime is 25430029. The reversal of 25430026 is 62003452.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (25430023) and next prime (25430029).

It can be written as a sum of positive squares in 2 ways, for example, as 22099401 + 3330625 = 4701^2 + 1825^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a junction number, because it is equal to n+sod(n) for n = 25429979 and 25430006.

It is not an unprimeable number, because it can be changed into a prime (25430023) 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, 171751 + ... + 171898.

Almost surely, 2^25430026 is an apocalyptic number.

25430026 is a deficient number, since it is larger than the sum of its proper divisors (13746074).

25430026 is a wasteful number, since it uses less digits than its factorization.

25430026 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 343688.

The product of its (nonzero) digits is 1440, while the sum is 22.

The square root of 25430026 is about 5042.8192511729. The cubic root of 25430026 is about 294.0687901105.

Adding to 25430026 its reverse (62003452), we get a palindrome (87433478).

The spelling of 25430026 in words is "twenty-five million, four hundred thirty thousand, twenty-six".