1357253 has 4 divisors (see below), whose sum is σ = 1416288. Its totient is φ = 1298220.

The previous prime is 1357201. The next prime is 1357333. The reversal of 1357253 is 3527531.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1357253 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1357453) 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 in 3 ways as a sum of consecutive naturals, for example, 29483 + ... + 29528.

It is an arithmetic number, because the mean of its divisors is an integer number (354072).

2^1357253 is an apocalyptic number.

It is an amenable number.

1357253 is a deficient number, since it is larger than the sum of its proper divisors (59035).

1357253 is an equidigital number, since it uses as much as digits as its factorization.

1357253 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 59034.

The product of its digits is 3150, while the sum is 26.

The square root of 1357253 is about 1165.0120171054. The cubic root of 1357253 is about 110.7185195547.

The spelling of 1357253 in words is "one million, three hundred fifty-seven thousand, two hundred fifty-three".