25003361 has 2 divisors, whose sum is σ = 25003362. Its totient is φ = 25003360.

The previous prime is 25003357. The next prime is 25003417. The reversal of 25003361 is 16330052.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 13987600 + 11015761 = 3740^2 + 3319^2 .

It is a cyclic number.

It is not a de Polignac number, because 25003361 - 2² = 25003357 is a prime.

It is a super-2 number, since 2×25003361² = 1250336122592642, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (25003301) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 12501680 + 12501681.

It is an arithmetic number, because the mean of its divisors is an integer number (12501681).

Almost surely, 2^25003361 is an apocalyptic number.

It is an amenable number.

25003361 is a deficient number, since it is larger than the sum of its proper divisors (1).

25003361 is an equidigital number, since it uses as much as digits as its factorization.

25003361 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 540, while the sum is 20.

The square root of 25003361 is about 5000.3360887044. The cubic root of 25003361 is about 292.4148767323.

The spelling of 25003361 in words is "twenty-five million, three thousand, three hundred sixty-one".