25305034 has 4 divisors (see below), whose sum is σ = 37957554. Its totient is φ = 12652516.

The previous prime is 25305013. The next prime is 25305053. The reversal of 25305034 is 43050352.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 24039409 + 1265625 = 4903^2 + 1125^2 .

It is a super-3 number, since 3×25305034³ (a number of 23 digits) contains 333 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 25304996 and 25305014.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6326257 + ... + 6326260.

Almost surely, 2^25305034 is an apocalyptic number.

25305034 is a deficient number, since it is larger than the sum of its proper divisors (12652520).

25305034 is a wasteful number, since it uses less digits than its factorization.

25305034 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12652519.

The product of its (nonzero) digits is 1800, while the sum is 22.

The square root of 25305034 is about 5030.4109176090. The cubic root of 25305034 is about 293.5862026917.

Adding to 25305034 its reverse (43050352), we get a palindrome (68355386).

The spelling of 25305034 in words is "twenty-five million, three hundred five thousand, thirty-four".