25430434 has 8 divisors (see below), whose sum is σ = 38246400. Its totient is φ = 12681636.

The previous prime is 25430429. The next prime is 25430437. The reversal of 25430434 is 43403452.

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 = 25430399 and 25430408.

It is not an unprimeable number, because it can be changed into a prime (25430437) 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, 15834 + ... + 17365.

It is an arithmetic number, because the mean of its divisors is an integer number (4780800).

Almost surely, 2^25430434 is an apocalyptic number.

25430434 is a deficient number, since it is larger than the sum of its proper divisors (12815966).

25430434 is a wasteful number, since it uses less digits than its factorization.

25430434 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 33584.

The product of its (nonzero) digits is 5760, while the sum is 25.

The square root of 25430434 is about 5042.8597045724. The cubic root of 25430434 is about 294.0703627846.

Adding to 25430434 its reverse (43403452), we get a palindrome (68833886).

The spelling of 25430434 in words is "twenty-five million, four hundred thirty thousand, four hundred thirty-four".