25135003426 has 8 divisors (see below), whose sum is σ = 40602697884. Its totient is φ = 11600770800.

The previous prime is 25135003417. The next prime is 25135003427. The reversal of 25135003426 is 62430053152.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 22635503401 + 2499500025 = 150451^2 + 49995^2 .

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

It is not an unprimeable number, because it can be changed into a prime (25135003427) 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, 483365425 + ... + 483365476.

Almost surely, 2^25135003426 is an apocalyptic number.

25135003426 is a gapful number since it is divisible by the number (26) formed by its first and last digit.

25135003426 is a deficient number, since it is larger than the sum of its proper divisors (15467694458).

25135003426 is a wasteful number, since it uses less digits than its factorization.

25135003426 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 966730916.

The product of its (nonzero) digits is 21600, while the sum is 31.

Adding to 25135003426 its reverse (62430053152), we get a palindrome (87565056578).

The spelling of 25135003426 in words is "twenty-five billion, one hundred thirty-five million, three thousand, four hundred twenty-six".