25420145341 has 8 divisors (see below), whose sum is σ = 25688054304. Its totient is φ = 25153355760.

The previous prime is 25420145329. The next prime is 25420145347. The reversal of 25420145341 is 14354102452.

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

It is a cyclic number.

It is not a de Polignac number, because 25420145341 - 2²¹ = 25418048189 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (25420145347) 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 7 ways as a sum of consecutive naturals, for example, 234150 + ... + 325063.

It is an arithmetic number, because the mean of its divisors is an integer number (3211006788).

Almost surely, 2^25420145341 is an apocalyptic number.

It is an amenable number.

25420145341 is a deficient number, since it is larger than the sum of its proper divisors (267908963).

25420145341 is a wasteful number, since it uses less digits than its factorization.

25420145341 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 559691.

The product of its (nonzero) digits is 19200, while the sum is 31.

Adding to 25420145341 its reverse (14354102452), we get a palindrome (39774247793).

The spelling of 25420145341 in words is "twenty-five billion, four hundred twenty million, one hundred forty-five thousand, three hundred forty-one".