25772237 has 4 divisors (see below), whose sum is σ = 25975296. Its totient is φ = 25569180.

The previous prime is 25772207. The next prime is 25772267. The reversal of 25772237 is 73227752.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is an interprime number because it is at equal distance from previous prime (25772207) and next prime (25772267).

It is a cyclic number.

It is not a de Polignac number, because 25772237 - 2¹⁶ = 25706701 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 25772197 and 25772206.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (25772207) 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, 101339 + ... + 101592.

It is an arithmetic number, because the mean of its divisors is an integer number (6493824).

Almost surely, 2^25772237 is an apocalyptic number.

It is an amenable number.

25772237 is a deficient number, since it is larger than the sum of its proper divisors (203059).

25772237 is a wasteful number, since it uses less digits than its factorization.

25772237 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 203058.

The product of its digits is 41160, while the sum is 35.

The square root of 25772237 is about 5076.6363864275. The cubic root of 25772237 is about 295.3820082197.

Adding to 25772237 its reverse (73227752), we get a palindrome (98999989).

The spelling of 25772237 in words is "twenty-five million, seven hundred seventy-two thousand, two hundred thirty-seven".