1014539921 has 2 divisors, whose sum is σ = 1014539922. Its totient is φ = 1014539920.

The previous prime is 1014539843. The next prime is 1014539927. The reversal of 1014539921 is 1299354101.

It is a happy number.

1014539921 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 736851025 + 277688896 = 27145^2 + 16664^2 .

It is a cyclic number.

It is not a de Polignac number, because 1014539921 - 2¹⁰ = 1014538897 is a prime.

It is not a weakly prime, because it can be changed into another prime (1014539927) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 507269960 + 507269961.

It is an arithmetic number, because the mean of its divisors is an integer number (507269961).

Almost surely, 2^1014539921 is an apocalyptic number.

It is an amenable number.

1014539921 is a deficient number, since it is larger than the sum of its proper divisors (1).

1014539921 is an equidigital number, since it uses as much as digits as its factorization.

1014539921 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 9720, while the sum is 35.

The square root of 1014539921 is about 31851.8432904597. The cubic root of 1014539921 is about 1004.8233383363.

The spelling of 1014539921 in words is "one billion, fourteen million, five hundred thirty-nine thousand, nine hundred twenty-one".