1955537 has 6 divisors (see below), whose sum is σ = 2064258. Its totient is φ = 1852272.

The previous prime is 1955533. The next prime is 1955539. The reversal of 1955537 is 7355591.

It can be written as a sum of positive squares in only one way, i.e., 1256641 + 698896 = 1121^2 + 836^2 .

It is not a de Polignac number, because 1955537 - 2² = 1955533 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1955497 and 1955506.

It is not an unprimeable number, because it can be changed into a prime (1955531) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 2348 + ... + 3069.

It is an arithmetic number, because the mean of its divisors is an integer number (344043).

2^1955537 is an apocalyptic number.

It is an amenable number.

1955537 is a deficient number, since it is larger than the sum of its proper divisors (108721).

1955537 is an equidigital number, since it uses as much as digits as its factorization.

1955537 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5455 (or 5436 counting only the distinct ones).

The product of its digits is 23625, while the sum is 35.

The square root of 1955537 is about 1398.4051630339. The cubic root of 1955537 is about 125.0514348328.

It can be divided in two parts, 195 and 5537, that multiplied together give a triangular number (1079715 = T₁₄₆₉).

The spelling of 1955537 in words is "one million, nine hundred fifty-five thousand, five hundred thirty-seven".