1875425509 has 2 divisors, whose sum is σ = 1875425510. Its totient is φ = 1875425508.

The previous prime is 1875425483. The next prime is 1875425579. The reversal of 1875425509 is 9055245781.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1105363009 + 770062500 = 33247^2 + 27750^2 .

It is a cyclic number.

It is not a de Polignac number, because 1875425509 - 2⁹ = 1875424997 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1875425579) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 937712754 + 937712755.

It is an arithmetic number, because the mean of its divisors is an integer number (937712755).

Almost surely, 2^1875425509 is an apocalyptic number.

It is an amenable number.

1875425509 is a deficient number, since it is larger than the sum of its proper divisors (1).

1875425509 is an equidigital number, since it uses as much as digits as its factorization.

1875425509 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 504000, while the sum is 46.

The square root of 1875425509 is about 43306.1832652105. The cubic root of 1875425509 is about 1233.1993097040.

The spelling of 1875425509 in words is "one billion, eight hundred seventy-five million, four hundred twenty-five thousand, five hundred nine".