25272629 has 2 divisors, whose sum is σ = 25272630. Its totient is φ = 25272628.

The previous prime is 25272617. The next prime is 25272697. The reversal of 25272629 is 92627252.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 16851025 + 8421604 = 4105^2 + 2902^2 .

It is a cyclic number.

It is not a de Polignac number, because 25272629 - 2⁴ = 25272613 is a prime.

It is a Sophie Germain prime.

It is a Chen prime.

It is a Curzon number.

It is equal to p_1581857 and since 25272629 and 1581857 have the same sum of digits, it is a Honaker prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (25275629) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 12636314 + 12636315.

It is an arithmetic number, because the mean of its divisors is an integer number (12636315).

Almost surely, 2^25272629 is an apocalyptic number.

It is an amenable number.

25272629 is a deficient number, since it is larger than the sum of its proper divisors (1).

25272629 is an equidigital number, since it uses as much as digits as its factorization.

25272629 is an evil number, because the sum of its binary digits is even.

The product of its digits is 30240, while the sum is 35.

The square root of 25272629 is about 5027.1889759586. The cubic root of 25272629 is about 293.4608294191.

The spelling of 25272629 in words is "twenty-five million, two hundred seventy-two thousand, six hundred twenty-nine".