25123253 has 2 divisors, whose sum is σ = 25123254. Its totient is φ = 25123252.

The previous prime is 25123247. The next prime is 25123271. The reversal of 25123253 is 35232152.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 18037009 + 7086244 = 4247^2 + 2662^2 .

It is a cyclic number.

It is not a de Polignac number, because 25123253 - 2¹⁶ = 25057717 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (25123243) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 12561626 + 12561627.

It is an arithmetic number, because the mean of its divisors is an integer number (12561627).

Almost surely, 2^25123253 is an apocalyptic number.

It is an amenable number.

25123253 is a deficient number, since it is larger than the sum of its proper divisors (1).

25123253 is an equidigital number, since it uses as much as digits as its factorization.

25123253 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1800, while the sum is 23.

The square root of 25123253 is about 5012.3101460305. The cubic root of 25123253 is about 292.8815115724.

The spelling of 25123253 in words is "twenty-five million, one hundred twenty-three thousand, two hundred fifty-three".