25054949 has 4 divisors (see below), whose sum is σ = 25066860. Its totient is φ = 25043040.

The previous prime is 25054919. The next prime is 25054951. The reversal of 25054949 is 94945052.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It can be written as a sum of positive squares in 2 ways, for example, as 20994724 + 4060225 = 4582^2 + 2015^2 .

It is a cyclic number.

It is not a de Polignac number, because 25054949 - 2¹² = 25050853 is a prime.

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

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (25054919) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1862 + ... + 7319.

It is an arithmetic number, because the mean of its divisors is an integer number (6266715).

Almost surely, 2^25054949 is an apocalyptic number.

It is an amenable number.

25054949 is a deficient number, since it is larger than the sum of its proper divisors (11911).

25054949 is an equidigital number, since it uses as much as digits as its factorization.

25054949 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11910.

The product of its (nonzero) digits is 64800, while the sum is 38.

The square root of 25054949 is about 5005.4918839211. The cubic root of 25054949 is about 292.6158461912.

The spelling of 25054949 in words is "twenty-five million, fifty-four thousand, nine hundred forty-nine".