1951253 has 2 divisors, whose sum is σ = 1951254. Its totient is φ = 1951252.

The previous prime is 1951249. The next prime is 1951289. The reversal of 1951253 is 3521591.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1532644 + 418609 = 1238^2 + 647^2 .

It is a cyclic number.

It is not a de Polignac number, because 1951253 - 2² = 1951249 is a prime.

It is a super-3 number, since 3×1951253³ = 22287533352059613831, which contains 333 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1951223) by changing a digit.

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

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 975626 + 975627.

It is an arithmetic number, because the mean of its divisors is an integer number (975627).

2^1951253 is an apocalyptic number.

It is an amenable number.

1951253 is a deficient number, since it is larger than the sum of its proper divisors (1).

1951253 is an equidigital number, since it uses as much as digits as its factorization.

1951253 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 1951253 is about 1396.8725782977. The cubic root of 1951253 is about 124.9600512341.

The spelling of 1951253 in words is "one million, nine hundred fifty-one thousand, two hundred fifty-three".