25430003451534 has 64 divisors (see below), whose sum is σ = 58058356884480. Its totient is φ = 7356321947520.

The previous prime is 25430003451533. The next prime is 25430003451539. The reversal of 25430003451534 is 43515430003452.

It is a junction number, because it is equal to n+sod(n) for n = 25430003451492 and 25430003451501.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (25430003451533) 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 31 ways as a sum of consecutive naturals, for example, 98112054 + ... + 98370905.

It is an arithmetic number, because the mean of its divisors is an integer number (907161826320).

Almost surely, 2^{25430003451534} is an apocalyptic number.

25430003451534 is an abundant number, since it is smaller than the sum of its proper divisors (32628353432946).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

25430003451534 is a wasteful number, since it uses less digits than its factorization.

25430003451534 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 196483065.

The product of its (nonzero) digits is 432000, while the sum is 39.

Adding to 25430003451534 its reverse (43515430003452), we get a palindrome (68945433454986).

The spelling of 25430003451534 in words is "twenty-five trillion, four hundred thirty billion, three million, four hundred fifty-one thousand, five hundred thirty-four".