1097839025 has 24 divisors (see below), whose sum is σ = 1401852984. Its totient is φ = 852249600.

The previous prime is 1097839009. The next prime is 1097839031. The reversal of 1097839025 is 5209387901.

It can be written as a sum of positive squares in 12 ways, for example, as 385376161 + 712462864 = 19631^2 + 26692^2 .

It is not a de Polignac number, because 1097839025 - 2⁴ = 1097839009 is a prime.

It is a Smith number, since the sum of its digits (44) coincides with the sum of the digits of its prime factors.

It is a Duffinian number.

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, 399155 + ... + 401895.

It is an arithmetic number, because the mean of its divisors is an integer number (58410541).

Almost surely, 2^1097839025 is an apocalyptic number.

It is an amenable number.

1097839025 is a deficient number, since it is larger than the sum of its proper divisors (304013959).

1097839025 is a wasteful number, since it uses less digits than its factorization.

1097839025 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3221 (or 3216 counting only the distinct ones).

The product of its (nonzero) digits is 136080, while the sum is 44.

The square root of 1097839025 is about 33133.6539639081. The cubic root of 1097839025 is about 1031.6036930645.

The spelling of 1097839025 in words is "one billion, ninety-seven million, eight hundred thirty-nine thousand, twenty-five".