25226461 has 6 divisors (see below), whose sum is σ = 27316410. Its totient is φ = 23285808.

The previous prime is 25226449. The next prime is 25226473. The reversal of 25226461 is 16462252.

It is an interprime number because it is at equal distance from previous prime (25226449) and next prime (25226473).

It can be written as a sum of positive squares in 3 ways, for example, as 36100 + 25190361 = 190^2 + 5019^2 .

It is not a de Polignac number, because 25226461 - 2¹³ = 25218269 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (25226401) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 74466 + ... + 74803.

It is an arithmetic number, because the mean of its divisors is an integer number (4552735).

Almost surely, 2^25226461 is an apocalyptic number.

It is an amenable number.

25226461 is a deficient number, since it is larger than the sum of its proper divisors (2089949).

25226461 is a wasteful number, since it uses less digits than its factorization.

25226461 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 149295 (or 149282 counting only the distinct ones).

The product of its digits is 5760, while the sum is 28.

The square root of 25226461 is about 5022.5950463879. The cubic root of 25226461 is about 293.2820225620.

The spelling of 25226461 in words is "twenty-five million, two hundred twenty-six thousand, four hundred sixty-one".