1306422522025 has 24 divisors (see below), whose sum is σ = 1635450335640. Its totient is φ = 1035154114560.

The previous prime is 1306422522011. The next prime is 1306422522079. The reversal of 1306422522025 is 5202252246031.

It can be written as a sum of positive squares in 12 ways, for example, as 166509699136 + 1139912822889 = 408056^2 + 1067667^2 .

It is not a de Polignac number, because 1306422522025 - 2¹³ = 1306422513833 is a prime.

It is a super-2 number, since 2×1306422522025² (a number of 25 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 7150107 + ... + 7330543.

It is an arithmetic number, because the mean of its divisors is an integer number (68143763985).

Almost surely, 2^{1306422522025} is an apocalyptic number.

It is an amenable number.

1306422522025 is a deficient number, since it is larger than the sum of its proper divisors (329027813615).

1306422522025 is a wasteful number, since it uses less digits than its factorization.

1306422522025 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 183213 (or 183208 counting only the distinct ones).

The product of its (nonzero) digits is 57600, while the sum is 34.

Adding to 1306422522025 its reverse (5202252246031), we get a palindrome (6508674768056).

The spelling of 1306422522025 in words is "one trillion, three hundred six billion, four hundred twenty-two million, five hundred twenty-two thousand, twenty-five".