25413434 has 4 divisors (see below), whose sum is σ = 38120154. Its totient is φ = 12706716.

The previous prime is 25413407. The next prime is 25413439. The reversal of 25413434 is 43431452.

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., 19386409 + 6027025 = 4403^2 + 2455^2 .

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (25413439) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6353357 + ... + 6353360.

Almost surely, 2^25413434 is an apocalyptic number.

25413434 is a deficient number, since it is larger than the sum of its proper divisors (12706720).

25413434 is a wasteful number, since it uses less digits than its factorization.

25413434 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12706719.

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

The square root of 25413434 is about 5041.1738712328. The cubic root of 25413434 is about 294.0048204433.

Adding to 25413434 its reverse (43431452), we get a palindrome (68844886).

The spelling of 25413434 in words is "twenty-five million, four hundred thirteen thousand, four hundred thirty-four".