1953101 has 2 divisors, whose sum is σ = 1953102. Its totient is φ = 1953100.

The previous prime is 1953059. The next prime is 1953109. The reversal of 1953101 is 1013591.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1144900 + 808201 = 1070^2 + 899^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1953101 is a prime.

It is equal to p₁₄₅₇₁₂ and since 1953101 and 145712 have the same sum of digits, it is a Honaker prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1953109) 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, 976550 + 976551.

It is an arithmetic number, because the mean of its divisors is an integer number (976551).

2^1953101 is an apocalyptic number.

It is an amenable number.

1953101 is a deficient number, since it is larger than the sum of its proper divisors (1).

1953101 is an equidigital number, since it uses as much as digits as its factorization.

1953101 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 135, while the sum is 20.

The square root of 1953101 is about 1397.5338994100. The cubic root of 1953101 is about 124.9994879979. Note that the first 3 decimals are identical.

Adding to 1953101 its reverse (1013591), we get a palindrome (2966692).

The spelling of 1953101 in words is "one million, nine hundred fifty-three thousand, one hundred one".