1539950053 has 2 divisors, whose sum is σ = 1539950054. Its totient is φ = 1539950052.

The previous prime is 1539950051. The next prime is 1539950059. The reversal of 1539950053 is 3500599351.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1149413409 + 390536644 = 33903^2 + 19762^2 .

It is a cyclic number.

It is not a de Polignac number, because 1539950053 - 2¹ = 1539950051 is a prime.

Together with 1539950051, it forms a pair of twin primes.

It is a junction number, because it is equal to n+sod(n) for n = 1539949988 and 1539950015.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1539950051) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 769975026 + 769975027.

It is an arithmetic number, because the mean of its divisors is an integer number (769975027).

Almost surely, 2^1539950053 is an apocalyptic number.

It is an amenable number.

1539950053 is a deficient number, since it is larger than the sum of its proper divisors (1).

1539950053 is an equidigital number, since it uses as much as digits as its factorization.

1539950053 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 91125, while the sum is 40.

The square root of 1539950053 is about 39242.1973518303. The cubic root of 1539950053 is about 1154.7878655650.

The spelling of 1539950053 in words is "one billion, five hundred thirty-nine million, nine hundred fifty thousand, fifty-three".