26572961 has 8 divisors (see below), whose sum is σ = 28161000. Its totient is φ = 25029760.

The previous prime is 26572943. The next prime is 26573009. The reversal of 26572961 is 16927562.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 112225 + 26460736 = 335^2 + 5144^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 26572961 - 2¹⁴ = 26556577 is a prime.

It is a super-2 number, since 2×26572961² = 1412244512615042, which contains 22 as substring.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (26575961) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9986 + ... + 12363.

It is an arithmetic number, because the mean of its divisors is an integer number (3520125).

Almost surely, 2^26572961 is an apocalyptic number.

It is an amenable number.

26572961 is a deficient number, since it is larger than the sum of its proper divisors (1588039).

26572961 is a wasteful number, since it uses less digits than its factorization.

26572961 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22419.

The product of its digits is 45360, while the sum is 38.

The square root of 26572961 is about 5154.8967981910. The cubic root of 26572961 is about 298.4099615553.

The spelling of 26572961 in words is "twenty-six million, five hundred seventy-two thousand, nine hundred sixty-one".