25052477 has 4 divisors (see below), whose sum is σ = 25114140. Its totient is φ = 24990816.

The previous prime is 25052459. The next prime is 25052483. The reversal of 25052477 is 77425052.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 13039321 + 12013156 = 3611^2 + 3466^2 .

It is a cyclic number.

It is not a de Polignac number, because 25052477 - 2¹² = 25048381 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (25052437) 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, 30218 + ... + 31035.

It is an arithmetic number, because the mean of its divisors is an integer number (6278535).

Almost surely, 2^25052477 is an apocalyptic number.

It is an amenable number.

25052477 is a deficient number, since it is larger than the sum of its proper divisors (61663).

25052477 is an equidigital number, since it uses as much as digits as its factorization.

25052477 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 61662.

The product of its (nonzero) digits is 19600, while the sum is 32.

The square root of 25052477 is about 5005.2449490509. The cubic root of 25052477 is about 292.6062224084.

The spelling of 25052477 in words is "twenty-five million, fifty-two thousand, four hundred seventy-seven".