25225242346 has 16 divisors (see below), whose sum is σ = 39833193600. Its totient is φ = 11947639968.

The previous prime is 25225242337. The next prime is 25225242377. The reversal of 25225242346 is 64324252252.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 464031 + ... + 515533.

It is an arithmetic number, because the mean of its divisors is an integer number (2489574600).

Almost surely, 2^25225242346 is an apocalyptic number.

25225242346 is a deficient number, since it is larger than the sum of its proper divisors (14607951254).

25225242346 is a wasteful number, since it uses less digits than its factorization.

25225242346 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 64413.

The product of its digits is 230400, while the sum is 37.

Adding to 25225242346 its reverse (64324252252), we get a palindrome (89549494598).

The spelling of 25225242346 in words is "twenty-five billion, two hundred twenty-five million, two hundred forty-two thousand, three hundred forty-six".