25274349 has 10 divisors (see below), whose sum is σ = 37755630. Its totient is φ = 16849512.

The previous prime is 25274339. The next prime is 25274369. The reversal of 25274349 is 94347252.

It can be written as a sum of positive squares in only one way, i.e., 20412324 + 4862025 = 4518^2 + 2205^2 .

It is not a de Polignac number, because 25274349 - 2¹² = 25270253 is a prime.

It is an alternating number because its digits alternate between even and odd.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (25274329) by changing a digit.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 155934 + ... + 156095.

It is an arithmetic number, because the mean of its divisors is an integer number (3775563).

Almost surely, 2^25274349 is an apocalyptic number.

It is an amenable number.

25274349 is a deficient number, since it is larger than the sum of its proper divisors (12481281).

25274349 is an equidigital number, since it uses as much as digits as its factorization.

25274349 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 312041 (or 312032 counting only the distinct ones).

The product of its digits is 60480, while the sum is 36.

The square root of 25274349 is about 5027.3600428058. The cubic root of 25274349 is about 293.4674867027.

The spelling of 25274349 in words is "twenty-five million, two hundred seventy-four thousand, three hundred forty-nine".