1025388270297 has 12 divisors (see below), whose sum is σ = 1481415247780. Its totient is φ = 683454246048.

The previous prime is 1025388270259. The next prime is 1025388270301. The reversal of 1025388270297 is 7920728835201.

1025388270297 is a `hidden beast` number, since 1 + 0 + 2 + 5 + 3 + 88 + 270 + 297 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 682770037401 + 342618232896 = 826299^2 + 585336^2 .

It is not a de Polignac number, because 1025388270297 - 2¹⁰ = 1025388269273 is a prime.

It is a super-2 number, since 2×1025388270297² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1025388270217) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 11447422 + ... + 11536647.

Almost surely, 2^{1025388270297} is an apocalyptic number.

It is an amenable number.

1025388270297 is a deficient number, since it is larger than the sum of its proper divisors (456026977483).

1025388270297 is a wasteful number, since it uses less digits than its factorization.

1025388270297 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22989032 (or 22989029 counting only the distinct ones).

The product of its (nonzero) digits is 3386880, while the sum is 54.

The spelling of 1025388270297 in words is "one trillion, twenty-five billion, three hundred eighty-eight million, two hundred seventy thousand, two hundred ninety-seven".