25380349 has 2 divisors, whose sum is σ = 25380350. Its totient is φ = 25380348.

The previous prime is 25380343. The next prime is 25380361. The reversal of 25380349 is 94308352.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 24900100 + 480249 = 4990^2 + 693^2 .

It is a cyclic number.

It is not a de Polignac number, because 25380349 - 2¹⁹ = 24856061 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (25380343) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 12690174 + 12690175.

It is an arithmetic number, because the mean of its divisors is an integer number (12690175).

Almost surely, 2^25380349 is an apocalyptic number.

It is an amenable number.

25380349 is a deficient number, since it is larger than the sum of its proper divisors (1).

25380349 is an equidigital number, since it uses as much as digits as its factorization.

25380349 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 25920, while the sum is 34.

The square root of 25380349 is about 5037.8913247509. The cubic root of 25380349 is about 293.8771796359.

The spelling of 25380349 in words is "twenty-five million, three hundred eighty thousand, three hundred forty-nine".