25451123 has 2 divisors, whose sum is σ = 25451124. Its totient is φ = 25451122.

The previous prime is 25451117. The next prime is 25451177. The reversal of 25451123 is 32115452.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 25451123 - 2⁶ = 25451059 is a prime.

It is a super-3 number, since 3×25451123³ (a number of 23 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is not a weakly prime, because it can be changed into another prime (25451623) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 12725561 + 12725562.

It is an arithmetic number, because the mean of its divisors is an integer number (12725562).

Almost surely, 2^25451123 is an apocalyptic number.

25451123 is a deficient number, since it is larger than the sum of its proper divisors (1).

25451123 is an equidigital number, since it uses as much as digits as its factorization.

25451123 is an evil number, because the sum of its binary digits is even.

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

The square root of 25451123 is about 5044.9106037669. The cubic root of 25451123 is about 294.1500884208.

Adding to 25451123 its reverse (32115452), we get a palindrome (57566575).

The spelling of 25451123 in words is "twenty-five million, four hundred fifty-one thousand, one hundred twenty-three".