25317617342 has 8 divisors (see below), whose sum is σ = 38902680432. Its totient is φ = 12350057200.

The previous prime is 25317617341. The next prime is 25317617393. The reversal of 25317617342 is 24371671352.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a Harshad number since it is a multiple of its sum of digits (41).

It is a self number, because there is not a number n which added to its sum of digits gives 25317617342.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (25317617341) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 154375634 + ... + 154375797.

It is an arithmetic number, because the mean of its divisors is an integer number (4862835054).

Almost surely, 2^25317617342 is an apocalyptic number.

25317617342 is a deficient number, since it is larger than the sum of its proper divisors (13585063090).

25317617342 is a wasteful number, since it uses less digits than its factorization.

25317617342 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 308751474.

The product of its digits is 211680, while the sum is 41.

The spelling of 25317617342 in words is "twenty-five billion, three hundred seventeen million, six hundred seventeen thousand, three hundred forty-two".