1358450053 has 4 divisors (see below), whose sum is σ = 1380719788. Its totient is φ = 1336180320.

The previous prime is 1358450047. The next prime is 1358450077. The reversal of 1358450053 is 3500548531.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 3500548531 = 67 ⋅52246993.

It can be written as a sum of positive squares in 2 ways, for example, as 127983969 + 1230466084 = 11313^2 + 35078^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1358450053 is a prime.

It is a super-3 number, since 3×1358450053³ (a number of 28 digits) contains 333 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1358450003) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 11134776 + ... + 11134897.

It is an arithmetic number, because the mean of its divisors is an integer number (345179947).

Almost surely, 2^1358450053 is an apocalyptic number.

It is an amenable number.

1358450053 is a deficient number, since it is larger than the sum of its proper divisors (22269735).

1358450053 is an equidigital number, since it uses as much as digits as its factorization.

1358450053 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22269734.

The product of its (nonzero) digits is 36000, while the sum is 34.

The square root of 1358450053 is about 36857.1574188786. The cubic root of 1358450053 is about 1107.5106003432.

Adding to 1358450053 its reverse (3500548531), we get a palindrome (4858998584).

The spelling of 1358450053 in words is "one billion, three hundred fifty-eight million, four hundred fifty thousand, fifty-three".