25970633 has 8 divisors (see below), whose sum is σ = 28724808. Its totient is φ = 23324544.

The previous prime is 25970629. The next prime is 25970639. The reversal of 25970633 is 33607952.

It can be written as a sum of positive squares in 4 ways, for example, as 12369289 + 13601344 = 3517^2 + 3688^2 .

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 25970633 - 2² = 25970629 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 25970593 and 25970602.

It is not an unprimeable number, because it can be changed into a prime (25970639) 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, 26516 + ... + 27477.

It is an arithmetic number, because the mean of its divisors is an integer number (3590601).

Almost surely, 2^25970633 is an apocalyptic number.

It is an amenable number.

25970633 is a deficient number, since it is larger than the sum of its proper divisors (2754175).

25970633 is a wasteful number, since it uses less digits than its factorization.

25970633 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 54043.

The product of its (nonzero) digits is 34020, while the sum is 35.

The square root of 25970633 is about 5096.1390287158. The cubic root of 25970633 is about 296.1380268433.

The spelling of 25970633 in words is "twenty-five million, nine hundred seventy thousand, six hundred thirty-three".