25522634 has 4 divisors (see below), whose sum is σ = 38283954. Its totient is φ = 12761316.

The previous prime is 25522631. The next prime is 25522649. The reversal of 25522634 is 43622552.

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., 23571025 + 1951609 = 4855^2 + 1397^2 .

It is a junction number, because it is equal to n+sod(n) for n = 25522597 and 25522606.

It is not an unprimeable number, because it can be changed into a prime (25522631) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6380657 + ... + 6380660.

Almost surely, 2^25522634 is an apocalyptic number.

25522634 is a deficient number, since it is larger than the sum of its proper divisors (12761320).

25522634 is a wasteful number, since it uses less digits than its factorization.

25522634 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12761319.

The product of its digits is 14400, while the sum is 29.

The square root of 25522634 is about 5051.9930720459. The cubic root of 25522634 is about 294.4253257420.

The spelling of 25522634 in words is "twenty-five million, five hundred twenty-two thousand, six hundred thirty-four".