25034005145 has 8 divisors (see below), whose sum is σ = 30045269256. Its totient is φ = 20024228736.

The previous prime is 25034005133. The next prime is 25034005169. The reversal of 25034005145 is 54150043052.

It can be written as a sum of positive squares in 4 ways, for example, as 59892121 + 24974113024 = 7739^2 + 158032^2 .

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 25034005145 - 2⁸ = 25034004889 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 334562 + ... + 402491.

It is an arithmetic number, because the mean of its divisors is an integer number (3755658657).

Almost surely, 2^25034005145 is an apocalyptic number.

It is an amenable number.

25034005145 is a deficient number, since it is larger than the sum of its proper divisors (5011264111).

25034005145 is an equidigital number, since it uses as much as digits as its factorization.

25034005145 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 743851.

The product of its (nonzero) digits is 12000, while the sum is 29.

Adding to 25034005145 its reverse (54150043052), we get a palindrome (79184048197).

The spelling of 25034005145 in words is "twenty-five billion, thirty-four million, five thousand, one hundred forty-five".