1901363 has 2 divisors, whose sum is σ = 1901364. Its totient is φ = 1901362.

The previous prime is 1901359. The next prime is 1901369. The reversal of 1901363 is 3631091.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1901363 - 2² = 1901359 is a prime.

It is not a weakly prime, because it can be changed into another prime (1901369) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 950681 + 950682.

It is an arithmetic number, because the mean of its divisors is an integer number (950682).

2^1901363 is an apocalyptic number.

1901363 is a deficient number, since it is larger than the sum of its proper divisors (1).

1901363 is an equidigital number, since it uses as much as digits as its factorization.

1901363 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 486, while the sum is 23.

The square root of 1901363 is about 1378.8991986364. The cubic root of 1901363 is about 123.8858427339.

The spelling of 1901363 in words is "one million, nine hundred one thousand, three hundred sixty-three".