25312106 has 4 divisors (see below), whose sum is σ = 37968162. Its totient is φ = 12656052.

The previous prime is 25312103. The next prime is 25312109. The reversal of 25312106 is 60121352.

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

It is an interprime number because it is at equal distance from previous prime (25312103) and next prime (25312109).

It can be written as a sum of positive squares in only one way, i.e., 23377225 + 1934881 = 4835^2 + 1391^2 .

It is not an unprimeable number, because it can be changed into a prime (25312103) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6328025 + ... + 6328028.

Almost surely, 2^25312106 is an apocalyptic number.

25312106 is a deficient number, since it is larger than the sum of its proper divisors (12656056).

25312106 is a wasteful number, since it uses less digits than its factorization.

25312106 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12656055.

The product of its (nonzero) digits is 360, while the sum is 20.

The square root of 25312106 is about 5031.1137931873. The cubic root of 25312106 is about 293.6135496646.

Adding to 25312106 its reverse (60121352), we get a palindrome (85433458).

The spelling of 25312106 in words is "twenty-five million, three hundred twelve thousand, one hundred six".