25962961 has 8 divisors (see below), whose sum is σ = 27868104. Its totient is φ = 24099840.

The previous prime is 25962953. The next prime is 25962967. The reversal of 25962961 is 16926952.

It can be written as a sum of positive squares in 4 ways, for example, as 10439361 + 15523600 = 3231^2 + 3940^2 .

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 25962961 - 2³ = 25962953 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (25962967) by changing a digit.

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 in 7 ways as a sum of consecutive naturals, for example, 9220 + ... + 11701.

It is an arithmetic number, because the mean of its divisors is an integer number (3483513).

Almost surely, 2^25962961 is an apocalyptic number.

It is an amenable number.

25962961 is a deficient number, since it is larger than the sum of its proper divisors (1905143).

25962961 is a wasteful number, since it uses less digits than its factorization.

25962961 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21011.

The product of its digits is 58320, while the sum is 40.

The square root of 25962961 is about 5095.3862463998. The cubic root of 25962961 is about 296.1088632017.

The spelling of 25962961 in words is "twenty-five million, nine hundred sixty-two thousand, nine hundred sixty-one".