25252061 has 2 divisors, whose sum is σ = 25252062. Its totient is φ = 25252060.

The previous prime is 25252057. The next prime is 25252063. The reversal of 25252061 is 16025252.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 14295961 + 10956100 = 3781^2 + 3310^2 .

It is a cyclic number.

It is not a de Polignac number, because 25252061 - 2² = 25252057 is a prime.

It is a super-3 number, since 3×25252061³ (a number of 23 digits) contains 333 as substring.

Together with 25252063, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (25252063) 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 as a sum of consecutive naturals, namely, 12626030 + 12626031.

It is an arithmetic number, because the mean of its divisors is an integer number (12626031).

Almost surely, 2^25252061 is an apocalyptic number.

It is an amenable number.

25252061 is a deficient number, since it is larger than the sum of its proper divisors (1).

25252061 is an equidigital number, since it uses as much as digits as its factorization.

25252061 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1200, while the sum is 23.

The square root of 25252061 is about 5025.1428835407. The cubic root of 25252061 is about 293.3811972802.

It can be divided in two parts, 2525 and 2061, that multiplied together give a palindrome (5204025).

The spelling of 25252061 in words is "twenty-five million, two hundred fifty-two thousand, sixty-one".