25225029 has 12 divisors (see below), whose sum is σ = 36521836. Its totient is φ = 16777152.

The previous prime is 25225021. The next prime is 25225049. The reversal of 25225029 is 92052252.

It can be written as a sum of positive squares in 2 ways, for example, as 23328900 + 1896129 = 4830^2 + 1377^2 .

It is not a de Polignac number, because 25225029 - 2³ = 25225021 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 25224993 and 25225011.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (25225021) 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 11 ways as a sum of consecutive naturals, for example, 1047 + ... + 7179.

Almost surely, 2^25225029 is an apocalyptic number.

It is an amenable number.

25225029 is a deficient number, since it is larger than the sum of its proper divisors (11296807).

25225029 is a wasteful number, since it uses less digits than its factorization.

25225029 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6596 (or 6593 counting only the distinct ones).

The product of its (nonzero) digits is 3600, while the sum is 27.

The square root of 25225029 is about 5022.4524885757. The cubic root of 25225029 is about 293.2764729951.

It can be divided in two parts, 252 and 25029, that added together give a square (25281 = 159²).

The spelling of 25225029 in words is "twenty-five million, two hundred twenty-five thousand, twenty-nine".