1011452539 has 2 divisors, whose sum is σ = 1011452540. Its totient is φ = 1011452538.

The previous prime is 1011452527. The next prime is 1011452557. The reversal of 1011452539 is 9352541101.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1011452539 - 2¹⁹ = 1010928251 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 1011452539.

It is not a weakly prime, because it can be changed into another prime (1011452509) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 505726269 + 505726270.

It is an arithmetic number, because the mean of its divisors is an integer number (505726270).

Almost surely, 2^1011452539 is an apocalyptic number.

1011452539 is a deficient number, since it is larger than the sum of its proper divisors (1).

1011452539 is an equidigital number, since it uses as much as digits as its factorization.

1011452539 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 5400, while the sum is 31.

The square root of 1011452539 is about 31803.3416326021. The cubic root of 1011452539 is about 1003.8030316160.

It can be divided in two parts, 101145 and 2539, that added together give a square (103684 = 322²).

The spelling of 1011452539 in words is "one billion, eleven million, four hundred fifty-two thousand, five hundred thirty-nine".