25226530 has 32 divisors (see below), whose sum is σ = 52068096. Its totient is φ = 8620224.

The previous prime is 25226483. The next prime is 25226567. The reversal of 25226530 is 3562252.

It is a junction number, because it is equal to n+sod(n) for n = 25226495 and 25226504.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 38667 + ... + 39313.

It is an arithmetic number, because the mean of its divisors is an integer number (1627128).

Almost surely, 2^25226530 is an apocalyptic number.

25226530 is an abundant number, since it is smaller than the sum of its proper divisors (26841566).

25226530 is a wasteful number, since it uses less digits than its factorization.

25226530 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1218.

The product of its (nonzero) digits is 3600, while the sum is 25.

The square root of 25226530 is about 5022.6019153423. The cubic root of 25226530 is about 293.2822899591.

Adding to 25226530 its reverse (3562252), we get a palindrome (28788782).

The spelling of 25226530 in words is "twenty-five million, two hundred twenty-six thousand, five hundred thirty".