25265029 has 4 divisors (see below), whose sum is σ = 25275276. Its totient is φ = 25254784.

The previous prime is 25265027. The next prime is 25265087. The reversal of 25265029 is 92056252.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It can be written as a sum of positive squares in 2 ways, for example, as 16402500 + 8862529 = 4050^2 + 2977^2 .

It is a cyclic number.

It is not a de Polignac number, because 25265029 - 2¹ = 25265027 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 (25265021) 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, 1077 + ... + 7189.

It is an arithmetic number, because the mean of its divisors is an integer number (6318819).

Almost surely, 2^25265029 is an apocalyptic number.

It is an amenable number.

25265029 is a deficient number, since it is larger than the sum of its proper divisors (10247).

25265029 is an equidigital number, since it uses as much as digits as its factorization.

25265029 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10246.

The product of its (nonzero) digits is 10800, while the sum is 31.

The square root of 25265029 is about 5026.4330294952. The cubic root of 25265029 is about 293.4314098982.

The spelling of 25265029 in words is "twenty-five million, two hundred sixty-five thousand, twenty-nine".