1955137 has 2 divisors, whose sum is σ = 1955138. Its totient is φ = 1955136.

The previous prime is 1955131. The next prime is 1955141. The reversal of 1955137 is 7315591.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1449616 + 505521 = 1204^2 + 711^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1955137 is a prime.

It is an Ulam number.

It is a junction number, because it is equal to n+sod(n) for n = 1955099 and 1955108.

It is not a weakly prime, because it can be changed into another prime (1955131) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 977568 + 977569.

It is an arithmetic number, because the mean of its divisors is an integer number (977569).

2^1955137 is an apocalyptic number.

It is an amenable number.

1955137 is a deficient number, since it is larger than the sum of its proper divisors (1).

1955137 is an equidigital number, since it uses as much as digits as its factorization.

1955137 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 4725, while the sum is 31.

The square root of 1955137 is about 1398.2621356527. The cubic root of 1955137 is about 125.0429079363.

The spelling of 1955137 in words is "one million, nine hundred fifty-five thousand, one hundred thirty-seven".