25146961 has 8 divisors (see below), whose sum is σ = 30430080. Its totient is φ = 20286528.

The previous prime is 25146943. The next prime is 25146977. The reversal of 25146961 is 16964152.

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 25146961 - 2⁵ = 25146929 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (25146911) 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, 105541 + ... + 105778.

It is an arithmetic number, because the mean of its divisors is an integer number (3803760).

Almost surely, 2^25146961 is an apocalyptic number.

It is an amenable number.

25146961 is a deficient number, since it is larger than the sum of its proper divisors (5283119).

25146961 is a wasteful number, since it uses less digits than its factorization.

25146961 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 211343.

The product of its digits is 12960, while the sum is 34.

The square root of 25146961 is about 5014.6745657121. The cubic root of 25146961 is about 292.9736102065.

The spelling of 25146961 in words is "twenty-five million, one hundred forty-six thousand, nine hundred sixty-one".