1252913 has 2 divisors, whose sum is σ = 1252914. Its totient is φ = 1252912.

The previous prime is 1252903. The next prime is 1252921. The reversal of 1252913 is 3192521.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1183744 + 69169 = 1088^2 + 263^2 .

It is an emirp because it is prime and its reverse (3192521) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1252913 - 2⁴ = 1252897 is a prime.

It is a Chen prime.

It is an Ulam number.

It is not a weakly prime, because it can be changed into another prime (1252903) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 626456 + 626457.

It is an arithmetic number, because the mean of its divisors is an integer number (626457).

2^1252913 is an apocalyptic number.

It is an amenable number.

1252913 is a deficient number, since it is larger than the sum of its proper divisors (1).

1252913 is an equidigital number, since it uses as much as digits as its factorization.

1252913 is an evil number, because the sum of its binary digits is even.

The product of its digits is 540, while the sum is 23.

The square root of 1252913 is about 1119.3359638643. The cubic root of 1252913 is about 107.8053478277.

It can be divided in two parts, 12 and 52913, that added together give a palindrome (52925).

The spelling of 1252913 in words is "one million, two hundred fifty-two thousand, nine hundred thirteen".