25434211 has 4 divisors (see below), whose sum is σ = 27746424. Its totient is φ = 23122000.

The previous prime is 25434203. The next prime is 25434257. The reversal of 25434211 is 11243452.

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

It is not a de Polignac number, because 25434211 - 2³ = 25434203 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (25434611) 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, 1156090 + ... + 1156111.

It is an arithmetic number, because the mean of its divisors is an integer number (6936606).

Almost surely, 2^25434211 is an apocalyptic number.

25434211 is a deficient number, since it is larger than the sum of its proper divisors (2312213).

25434211 is a wasteful number, since it uses less digits than its factorization.

25434211 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2312212.

The product of its digits is 960, while the sum is 22.

The square root of 25434211 is about 5043.2341805631. The cubic root of 25434211 is about 294.0849207846.

Adding to 25434211 its reverse (11243452), we get a palindrome (36677663).

The spelling of 25434211 in words is "twenty-five million, four hundred thirty-four thousand, two hundred eleven".