25573153 has 2 divisors, whose sum is σ = 25573154. Its totient is φ = 25573152.

The previous prime is 25573147. The next prime is 25573187. The reversal of 25573153 is 35137552.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 25331089 + 242064 = 5033^2 + 492^2 .

It is a cyclic number.

It is not a de Polignac number, because 25573153 - 2¹³ = 25564961 is a prime.

It is a super-2 number, since 2×25573153² = 1307972308722818, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (25573103) 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, 12786576 + 12786577.

It is an arithmetic number, because the mean of its divisors is an integer number (12786577).

Almost surely, 2^25573153 is an apocalyptic number.

It is an amenable number.

25573153 is a deficient number, since it is larger than the sum of its proper divisors (1).

25573153 is an equidigital number, since it uses as much as digits as its factorization.

25573153 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 15750, while the sum is 31.

The square root of 25573153 is about 5056.9905081975. The cubic root of 25573153 is about 294.6194576119.

The spelling of 25573153 in words is "twenty-five million, five hundred seventy-three thousand, one hundred fifty-three".