25412327542 has 32 divisors (see below), whose sum is σ = 43855322112. Its totient is φ = 10818257184.

The previous prime is 25412327533. The next prime is 25412327569. The reversal of 25412327542 is 24572321452.

It is a super-2 number, since 2×25412327542² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

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 15 ways as a sum of consecutive naturals, for example, 4516543 + ... + 4522165.

It is an arithmetic number, because the mean of its divisors is an integer number (1370478816).

Almost surely, 2^25412327542 is an apocalyptic number.

25412327542 is a deficient number, since it is larger than the sum of its proper divisors (18442994570).

25412327542 is a wasteful number, since it uses less digits than its factorization.

25412327542 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7732.

The product of its digits is 134400, while the sum is 37.

Adding to 25412327542 its reverse (24572321452), we get a palindrome (49984648994).

The spelling of 25412327542 in words is "twenty-five billion, four hundred twelve million, three hundred twenty-seven thousand, five hundred forty-two".