26425634 has 4 divisors (see below), whose sum is σ = 39638454. Its totient is φ = 13212816.

The previous prime is 26425601. The next prime is 26425657. The reversal of 26425634 is 43652462.

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., 22992025 + 3433609 = 4795^2 + 1853^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 26425634.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6606407 + ... + 6606410.

Almost surely, 2^26425634 is an apocalyptic number.

26425634 is a deficient number, since it is larger than the sum of its proper divisors (13212820).

26425634 is a wasteful number, since it uses less digits than its factorization.

26425634 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13212819.

The product of its digits is 34560, while the sum is 32.

The square root of 26425634 is about 5140.5869314700. The cubic root of 26425634 is about 297.8574532574.

The spelling of 26425634 in words is "twenty-six million, four hundred twenty-five thousand, six hundred thirty-four".