1939253 has 2 divisors, whose sum is σ = 1939254. Its totient is φ = 1939252.

The previous prime is 1939247. The next prime is 1939279. The reversal of 1939253 is 3529391.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1270129 + 669124 = 1127^2 + 818^2 .

It is a cyclic number.

It is not a de Polignac number, because 1939253 - 2⁴ = 1939237 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1939243) 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 as a sum of consecutive naturals, namely, 969626 + 969627.

It is an arithmetic number, because the mean of its divisors is an integer number (969627).

2^1939253 is an apocalyptic number.

It is an amenable number.

1939253 is a deficient number, since it is larger than the sum of its proper divisors (1).

1939253 is an equidigital number, since it uses as much as digits as its factorization.

1939253 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 7290, while the sum is 32.

The square root of 1939253 is about 1392.5706445276. The cubic root of 1939253 is about 124.7033605974.

The spelling of 1939253 in words is "one million, nine hundred thirty-nine thousand, two hundred fifty-three".