25047049 has 8 divisors (see below), whose sum is σ = 25489800. Its totient is φ = 24608256.

The previous prime is 25047047. The next prime is 25047053. The reversal of 25047049 is 94074052.

It can be written as a sum of positive squares in 4 ways, for example, as 366025 + 24681024 = 605^2 + 4968^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 25047049 - 2¹ = 25047047 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 25047049.

It is not an unprimeable number, because it can be changed into a prime (25047047) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 13587 + ... + 15319.

It is an arithmetic number, because the mean of its divisors is an integer number (3186225).

Almost surely, 2^25047049 is an apocalyptic number.

It is an amenable number.

25047049 is a deficient number, since it is larger than the sum of its proper divisors (442751).

25047049 is a wasteful number, since it uses less digits than its factorization.

25047049 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1979.

The product of its (nonzero) digits is 10080, while the sum is 31.

The square root of 25047049 is about 5004.7026884721. The cubic root of 25047049 is about 292.5850883532.

The spelling of 25047049 in words is "twenty-five million, forty-seven thousand, forty-nine".