1253437 has 2 divisors, whose sum is σ = 1253438. Its totient is φ = 1253436.

The previous prime is 1253401. The next prime is 1253453. The reversal of 1253437 is 7343521.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 900601 + 352836 = 949^2 + 594^2 .

It is a cyclic number.

It is not a de Polignac number, because 1253437 - 2¹⁵ = 1220669 is a prime.

It is a super-2 number, since 2×1253437² = 3142208625938, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1253137) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 626718 + 626719.

It is an arithmetic number, because the mean of its divisors is an integer number (626719).

2^1253437 is an apocalyptic number.

It is an amenable number.

1253437 is a deficient number, since it is larger than the sum of its proper divisors (1).

1253437 is an equidigital number, since it uses as much as digits as its factorization.

1253437 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 2520, while the sum is 25.

The square root of 1253437 is about 1119.5700067437. The cubic root of 1253437 is about 107.8203747101.

Adding to 1253437 its reverse (7343521), we get a palindrome (8596958).

The spelling of 1253437 in words is "one million, two hundred fifty-three thousand, four hundred thirty-seven".