1375998053 has 2 divisors, whose sum is σ = 1375998054. Its totient is φ = 1375998052.

The previous prime is 1375998049. The next prime is 1375998073. The reversal of 1375998053 is 3508995731.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 890544964 + 485453089 = 29842^2 + 22033^2 .

It is a cyclic number.

It is not a de Polignac number, because 1375998053 - 2² = 1375998049 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1375997992 and 1375998010.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1375998073) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 687999026 + 687999027.

It is an arithmetic number, because the mean of its divisors is an integer number (687999027).

Almost surely, 2^1375998053 is an apocalyptic number.

It is an amenable number.

1375998053 is a deficient number, since it is larger than the sum of its proper divisors (1).

1375998053 is an equidigital number, since it uses as much as digits as its factorization.

1375998053 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1020600, while the sum is 50.

The square root of 1375998053 is about 37094.4477381724. The cubic root of 1375998053 is about 1112.2590286990.

The spelling of 1375998053 in words is "one billion, three hundred seventy-five million, nine hundred ninety-eight thousand, fifty-three".