1361253 has 8 divisors (see below), whose sum is σ = 1820448. Its totient is φ = 904784.

The previous prime is 1361197. The next prime is 1361273. The reversal of 1361253 is 3521631.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 1361253 - 2¹⁴ = 1344869 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1361273) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1375 + ... + 2147.

It is an arithmetic number, because the mean of its divisors is an integer number (227556).

2^1361253 is an apocalyptic number.

It is an amenable number.

1361253 is a deficient number, since it is larger than the sum of its proper divisors (459195).

1361253 is an equidigital number, since it uses as much as digits as its factorization.

1361253 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1363.

The product of its digits is 540, while the sum is 21.

The square root of 1361253 is about 1166.7274746058. The cubic root of 1361253 is about 110.8271801409.

Adding to 1361253 its reverse (3521631), we get a palindrome (4882884).

The spelling of 1361253 in words is "one million, three hundred sixty-one thousand, two hundred fifty-three".