25066553 has 2 divisors, whose sum is σ = 25066554. Its totient is φ = 25066552.

The previous prime is 25066543. The next prime is 25066577. The reversal of 25066553 is 35566052.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 23785129 + 1281424 = 4877^2 + 1132^2 .

It is a cyclic number.

It is not a de Polignac number, because 25066553 - 2⁴ = 25066537 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (25066513) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 12533276 + 12533277.

It is an arithmetic number, because the mean of its divisors is an integer number (12533277).

Almost surely, 2^25066553 is an apocalyptic number.

It is an amenable number.

25066553 is a deficient number, since it is larger than the sum of its proper divisors (1).

25066553 is an equidigital number, since it uses as much as digits as its factorization.

25066553 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 27000, while the sum is 32.

The square root of 25066553 is about 5006.6508765841. The cubic root of 25066553 is about 292.6610134516.

The spelling of 25066553 in words is "twenty-five million, sixty-six thousand, five hundred fifty-three".