1975085837 has 2 divisors, whose sum is σ = 1975085838. Its totient is φ = 1975085836.

The previous prime is 1975085807. The next prime is 1975085843. The reversal of 1975085837 is 7385805791.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1095014281 + 880071556 = 33091^2 + 29666^2 .

It is a cyclic number.

It is not a de Polignac number, because 1975085837 - 2¹² = 1975081741 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1975085807) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 987542918 + 987542919.

It is an arithmetic number, because the mean of its divisors is an integer number (987542919).

Almost surely, 2^1975085837 is an apocalyptic number.

It is an amenable number.

1975085837 is a deficient number, since it is larger than the sum of its proper divisors (1).

1975085837 is an equidigital number, since it uses as much as digits as its factorization.

1975085837 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2116800, while the sum is 53.

The square root of 1975085837 is about 44441.9378177865. The cubic root of 1975085837 is about 1254.6675282113.

The spelling of 1975085837 in words is "one billion, nine hundred seventy-five million, eighty-five thousand, eight hundred thirty-seven".