25036481 has 2 divisors, whose sum is σ = 25036482. Its totient is φ = 25036480.

The previous prime is 25036469. The next prime is 25036513. The reversal of 25036481 is 18463052.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 25000000 + 36481 = 5000^2 + 191^2 .

It is a cyclic number.

It is not a de Polignac number, because 25036481 - 2¹⁰ = 25035457 is a prime.

It is a super-2 number, since 2×25036481² = 1253650761726722, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (25036411) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 12518240 + 12518241.

It is an arithmetic number, because the mean of its divisors is an integer number (12518241).

Almost surely, 2^25036481 is an apocalyptic number.

It is an amenable number.

25036481 is a deficient number, since it is larger than the sum of its proper divisors (1).

25036481 is an equidigital number, since it uses as much as digits as its factorization.

25036481 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 5760, while the sum is 29.

The square root of 25036481 is about 5003.6467701068. The cubic root of 25036481 is about 292.5439328171.

The spelling of 25036481 in words is "twenty-five million, thirty-six thousand, four hundred eighty-one".