25250293045 has 4 divisors (see below), whose sum is σ = 30300351660. Its totient is φ = 20200234432.

The previous prime is 25250293043. The next prime is 25250293051. The reversal of 25250293045 is 54039205252.

It is a happy number.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 15414215716 + 9836077329 = 124154^2 + 99177^2 .

It is a cyclic number.

It is not a de Polignac number, because 25250293045 - 2¹ = 25250293043 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 25250292995 and 25250293013.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (25250293043) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2525029300 + ... + 2525029309.

It is an arithmetic number, because the mean of its divisors is an integer number (7575087915).

Almost surely, 2^25250293045 is an apocalyptic number.

It is an amenable number.

25250293045 is a deficient number, since it is larger than the sum of its proper divisors (5050058615).

25250293045 is an equidigital number, since it uses as much as digits as its factorization.

25250293045 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5050058614.

The product of its (nonzero) digits is 108000, while the sum is 37.

Adding to 25250293045 its reverse (54039205252), we get a palindrome (79289498297).

The spelling of 25250293045 in words is "twenty-five billion, two hundred fifty million, two hundred ninety-three thousand, forty-five".