1253951 has 2 divisors, whose sum is σ = 1253952. Its totient is φ = 1253950.

The previous prime is 1253947. The next prime is 1253953. The reversal of 1253951 is 1593521.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 1253951 - 2² = 1253947 is a prime.

It is a super-3 number, since 3×1253951³ = 5915111739541333053, which contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a Sophie Germain prime.

Together with 1253953, it forms a pair of twin primes.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 1253951.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1253953) by changing a digit.

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

It is a good prime.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 626975 + 626976.

It is an arithmetic number, because the mean of its divisors is an integer number (626976).

2^1253951 is an apocalyptic number.

1253951 is a deficient number, since it is larger than the sum of its proper divisors (1).

1253951 is an equidigital number, since it uses as much as digits as its factorization.

1253951 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1350, while the sum is 26.

The square root of 1253951 is about 1119.7995356313. The cubic root of 1253951 is about 107.8351107516.

The spelling of 1253951 in words is "one million, two hundred fifty-three thousand, nine hundred fifty-one".