25162461 has 8 divisors (see below), whose sum is σ = 37277760. Its totient is φ = 16774956.

The previous prime is 25162457. The next prime is 25162463. The reversal of 25162461 is 16426152.

It is not a de Polignac number, because 25162461 - 2² = 25162457 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27), and also a Moran number because the ratio is a prime number: 931943 = 25162461 / (2 + 5 + 1 + 6 + 2 + 4 + 6 + 1).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (25162463) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 465945 + ... + 465998.

It is an arithmetic number, because the mean of its divisors is an integer number (4659720).

Almost surely, 2^25162461 is an apocalyptic number.

It is an amenable number.

25162461 is a deficient number, since it is larger than the sum of its proper divisors (12115299).

25162461 is an equidigital number, since it uses as much as digits as its factorization.

25162461 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 931952 (or 931946 counting only the distinct ones).

The product of its digits is 2880, while the sum is 27.

The square root of 25162461 is about 5016.2197918353. The cubic root of 25162461 is about 293.0337918758.

The spelling of 25162461 in words is "twenty-five million, one hundred sixty-two thousand, four hundred sixty-one".