25434512 has 10 divisors (see below), whose sum is σ = 49279398. Its totient is φ = 12717248.

The previous prime is 25434491. The next prime is 25434517. The reversal of 25434512 is 21543452.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 12931216 + 12503296 = 3596^2 + 3536^2 .

It is not an unprimeable number, because it can be changed into a prime (25434517) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 794813 + ... + 794844.

Almost surely, 2^25434512 is an apocalyptic number.

It is an amenable number.

25434512 is a deficient number, since it is larger than the sum of its proper divisors (23844886).

25434512 is a wasteful number, since it uses less digits than its factorization.

25434512 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1589665 (or 1589659 counting only the distinct ones).

The product of its digits is 4800, while the sum is 26.

The square root of 25434512 is about 5043.2640224363. The cubic root of 25434512 is about 294.0860808915.

Adding to 25434512 its reverse (21543452), we get a palindrome (46977964).

The spelling of 25434512 in words is "twenty-five million, four hundred thirty-four thousand, five hundred twelve".