25226029 has 4 divisors (see below), whose sum is σ = 25841340. Its totient is φ = 24610720.

The previous prime is 25226023. The next prime is 25226041. The reversal of 25226029 is 92062252.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 6260004 + 18966025 = 2502^2 + 4355^2 .

It is a cyclic number.

It is not a de Polignac number, because 25226029 - 2³ = 25226021 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 25225988 and 25226006.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (25226021) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 307594 + ... + 307675.

It is an arithmetic number, because the mean of its divisors is an integer number (6460335).

Almost surely, 2^25226029 is an apocalyptic number.

It is an amenable number.

25226029 is a deficient number, since it is larger than the sum of its proper divisors (615311).

25226029 is an equidigital number, since it uses as much as digits as its factorization.

25226029 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 615310.

The product of its (nonzero) digits is 4320, while the sum is 28.

The square root of 25226029 is about 5022.5520405467. The cubic root of 25226029 is about 293.2803484131.

The spelling of 25226029 in words is "twenty-five million, two hundred twenty-six thousand, twenty-nine".