25370170225 has 6 divisors (see below), whose sum is σ = 31459011110. Its totient is φ = 20296136160.

The previous prime is 25370170159. The next prime is 25370170247. The reversal of 25370170225 is 52207107352.

It can be written as a sum of positive squares in 3 ways, for example, as 1151652096 + 24218518129 = 33936^2 + 155623^2 .

It is not a de Polignac number, because 25370170225 - 2¹³ = 25370162033 is a prime.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 507403380 + ... + 507403429.

Almost surely, 2^25370170225 is an apocalyptic number.

25370170225 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

25370170225 is a deficient number, since it is larger than the sum of its proper divisors (6088840885).

25370170225 is a wasteful number, since it uses less digits than its factorization.

25370170225 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1014806819 (or 1014806814 counting only the distinct ones).

The product of its (nonzero) digits is 29400, while the sum is 34.

Adding to 25370170225 its reverse (52207107352), we get a palindrome (77577277577).

The spelling of 25370170225 in words is "twenty-five billion, three hundred seventy million, one hundred seventy thousand, two hundred twenty-five".