1025860769 has 2 divisors, whose sum is σ = 1025860770. Its totient is φ = 1025860768.

The previous prime is 1025860657. The next prime is 1025860783. The reversal of 1025860769 is 9670685201.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 740656225 + 285204544 = 27215^2 + 16888^2 .

It is a cyclic number.

It is not a de Polignac number, because 1025860769 - 2²⁰ = 1024812193 is a prime.

It is a super-2 number, since 2×1025860769² = 2104780634746542722, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (1025860799) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 512930384 + 512930385.

It is an arithmetic number, because the mean of its divisors is an integer number (512930385).

Almost surely, 2^1025860769 is an apocalyptic number.

It is an amenable number.

1025860769 is a deficient number, since it is larger than the sum of its proper divisors (1).

1025860769 is an equidigital number, since it uses as much as digits as its factorization.

1025860769 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 181440, while the sum is 44.

The square root of 1025860769 is about 32029.0613193706. The cubic root of 1025860769 is about 1008.5469970520.

The spelling of 1025860769 in words is "one billion, twenty-five million, eight hundred sixty thousand, seven hundred sixty-nine".