25071049 has 8 divisors (see below), whose sum is σ = 25748352. Its totient is φ = 24396960.

The previous prime is 25071043. The next prime is 25071071. The reversal of 25071049 is 94017052.

It is a happy number.

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 25071049 - 2⁵ = 25071017 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (25071043) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 30052 + ... + 30874.

It is an arithmetic number, because the mean of its divisors is an integer number (3218544).

Almost surely, 2^25071049 is an apocalyptic number.

It is an amenable number.

25071049 is a deficient number, since it is larger than the sum of its proper divisors (677303).

25071049 is an equidigital number, since it uses as much as digits as its factorization.

25071049 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1607.

The product of its (nonzero) digits is 2520, while the sum is 28.

The square root of 25071049 is about 5007.0998591999. The cubic root of 25071049 is about 292.6785098774.

The spelling of 25071049 in words is "twenty-five million, seventy-one thousand, forty-nine".