25417349 has 2 divisors, whose sum is σ = 25417350. Its totient is φ = 25417348.

The previous prime is 25417331. The next prime is 25417387. The reversal of 25417349 is 94371452.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 24453025 + 964324 = 4945^2 + 982^2 .

It is a cyclic number.

It is not a de Polignac number, because 25417349 - 2¹² = 25413253 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (25417549) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 12708674 + 12708675.

It is an arithmetic number, because the mean of its divisors is an integer number (12708675).

Almost surely, 2^25417349 is an apocalyptic number.

It is an amenable number.

25417349 is a deficient number, since it is larger than the sum of its proper divisors (1).

25417349 is an equidigital number, since it uses as much as digits as its factorization.

25417349 is an evil number, because the sum of its binary digits is even.

The product of its digits is 30240, while the sum is 35.

The square root of 25417349 is about 5041.5621586964. The cubic root of 25417349 is about 294.0199170489.

The spelling of 25417349 in words is "twenty-five million, four hundred seventeen thousand, three hundred forty-nine".