25430426 has 32 divisors (see below), whose sum is σ = 44755200. Its totient is φ = 10613376.

The previous prime is 25430423. The next prime is 25430429. The reversal of 25430426 is 62403452.

It is an interprime number because it is at equal distance from previous prime (25430423) and next prime (25430429).

It is a junction number, because it is equal to n+sod(n) for n = 25430395 and 25430404.

It is not an unprimeable number, because it can be changed into a prime (25430423) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 152195 + ... + 152361.

It is an arithmetic number, because the mean of its divisors is an integer number (1398600).

Almost surely, 2^25430426 is an apocalyptic number.

25430426 is a deficient number, since it is larger than the sum of its proper divisors (19324774).

25430426 is a wasteful number, since it uses less digits than its factorization.

25430426 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 398.

The product of its (nonzero) digits is 5760, while the sum is 26.

The square root of 25430426 is about 5042.8589113716. The cubic root of 25430426 is about 294.0703319480.

Adding to 25430426 its reverse (62403452), we get a palindrome (87833878).

The spelling of 25430426 in words is "twenty-five million, four hundred thirty thousand, four hundred twenty-six".