25213353045 has 8 divisors (see below), whose sum is σ = 40341364896. Its totient is φ = 13447121616.

The previous prime is 25213353041. The next prime is 25213353083. The reversal of 25213353045 is 54035331252.

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

It is not a de Polignac number, because 25213353045 - 2² = 25213353041 is a prime.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 25213352997 and 25213353015.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (25213353041) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 840445087 + ... + 840445116.

It is an arithmetic number, because the mean of its divisors is an integer number (5042670612).

Almost surely, 2^25213353045 is an apocalyptic number.

It is an amenable number.

25213353045 is a deficient number, since it is larger than the sum of its proper divisors (15128011851).

25213353045 is a wasteful number, since it uses less digits than its factorization.

25213353045 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1680890211.

The product of its (nonzero) digits is 54000, while the sum is 33.

Adding to 25213353045 its reverse (54035331252), we get a palindrome (79248684297).

The spelling of 25213353045 in words is "twenty-five billion, two hundred thirteen million, three hundred fifty-three thousand, forty-five".