25672237 has 4 divisors (see below), whose sum is σ = 25718400. Its totient is φ = 25626076.

The previous prime is 25672217. The next prime is 25672243. The reversal of 25672237 is 73227652.

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 a cyclic number.

It is not a de Polignac number, because 25672237 - 2¹⁵ = 25639469 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (25672217) 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, 22237 + ... + 23362.

It is an arithmetic number, because the mean of its divisors is an integer number (6429600).

Almost surely, 2^25672237 is an apocalyptic number.

It is an amenable number.

25672237 is a deficient number, since it is larger than the sum of its proper divisors (46163).

25672237 is an equidigital number, since it uses as much as digits as its factorization.

25672237 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 46162.

The product of its digits is 35280, while the sum is 34.

The square root of 25672237 is about 5066.7777729046. Note that the first 5 decimals coincide. The cubic root of 25672237 is about 294.9994714153. Note that the first 3 decimals are identical.

Adding to 25672237 its reverse (73227652), we get a palindrome (98899889).

The spelling of 25672237 in words is "twenty-five million, six hundred seventy-two thousand, two hundred thirty-seven".