25234435243245 has 32 divisors (see below), whose sum is σ = 40437145534464. Its totient is φ = 13437696641600.

The previous prime is 25234435243169. The next prime is 25234435243271. The reversal of 25234435243245 is 54234253443252.

It is not a de Polignac number, because 25234435243245 - 2¹⁶ = 25234435177709 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 25234435243194 and 25234435243203.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 28029460 + ... + 28915730.

It is an arithmetic number, because the mean of its divisors is an integer number (1263660797952).

Almost surely, 2^{25234435243245} is an apocalyptic number.

It is an amenable number.

25234435243245 is a deficient number, since it is larger than the sum of its proper divisors (15202710291219).

25234435243245 is a wasteful number, since it uses less digits than its factorization.

25234435243245 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 889193.

The product of its digits is 13824000, while the sum is 48.

Adding to 25234435243245 its reverse (54234253443252), we get a palindrome (79468688686497).

The spelling of 25234435243245 in words is "twenty-five trillion, two hundred thirty-four billion, four hundred thirty-five million, two hundred forty-three thousand, two hundred forty-five".