1065525731 has 2 divisors, whose sum is σ = 1065525732. Its totient is φ = 1065525730.

The previous prime is 1065525701. The next prime is 1065525749. The reversal of 1065525731 is 1375255601.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1065525731 is a prime.

It is a super-2 number, since 2×1065525731² = 2270690166846168722, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 1065525691 and 1065525700.

It is not a weakly prime, because it can be changed into another prime (1065525701) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 532762865 + 532762866.

It is an arithmetic number, because the mean of its divisors is an integer number (532762866).

Almost surely, 2^1065525731 is an apocalyptic number.

1065525731 is a deficient number, since it is larger than the sum of its proper divisors (1).

1065525731 is an equidigital number, since it uses as much as digits as its factorization.

1065525731 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 31500, while the sum is 35.

The square root of 1065525731 is about 32642.3916250020. The cubic root of 1065525731 is about 1021.3814841593.

The spelling of 1065525731 in words is "one billion, sixty-five million, five hundred twenty-five thousand, seven hundred thirty-one".