25052740 has 24 divisors (see below), whose sum is σ = 52745112. Its totient is φ = 9995520.

The previous prime is 25052719. The next prime is 25052749. The reversal of 25052740 is 4725052.

It can be written as a sum of positive squares in 4 ways, for example, as 4186116 + 20866624 = 2046^2 + 4568^2 .

It is not an unprimeable number, because it can be changed into a prime (25052749) 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, 7770 + ... + 10510.

It is an arithmetic number, because the mean of its divisors is an integer number (2197713).

Almost surely, 2^25052740 is an apocalyptic number.

25052740 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

25052740 is an abundant number, since it is smaller than the sum of its proper divisors (27692372).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

25052740 is a wasteful number, since it uses less digits than its factorization.

25052740 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3207 (or 3205 counting only the distinct ones).

The product of its (nonzero) digits is 2800, while the sum is 25.

The square root of 25052740 is about 5005.2712214225. The cubic root of 25052740 is about 292.6072463280.

Adding to 25052740 its reverse (4725052), we get a palindrome (29777792).

The spelling of 25052740 in words is "twenty-five million, fifty-two thousand, seven hundred forty".