25358530 has 16 divisors (see below), whose sum is σ = 45831744. Its totient is φ = 10102000.

The previous prime is 25358491. The next prime is 25358537. The reversal of 25358530 is 3585352.

It is a junction number, because it is equal to n+sod(n) for n = 25358492 and 25358501.

It is not an unprimeable number, because it can be changed into a prime (25358537) 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, 2542 + ... + 7561.

It is an arithmetic number, because the mean of its divisors is an integer number (2864484).

Almost surely, 2^25358530 is an apocalyptic number.

25358530 is a deficient number, since it is larger than the sum of its proper divisors (20473214).

25358530 is a wasteful number, since it uses less digits than its factorization.

25358530 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10361.

The product of its (nonzero) digits is 18000, while the sum is 31.

The square root of 25358530 is about 5035.7253697953. The cubic root of 25358530 is about 293.7929419642.

The spelling of 25358530 in words is "twenty-five million, three hundred fifty-eight thousand, five hundred thirty".