1453253338 has 4 divisors (see below), whose sum is σ = 2179880010. Its totient is φ = 726626668.

The previous prime is 1453253317. The next prime is 1453253339. The reversal of 1453253338 is 8333523541.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 1339340409 + 113912929 = 36597^2 + 10673^2 .

It is a super-2 number, since 2×1453253338² = 4223890528816284488, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 1453253297 and 1453253306.

It is not an unprimeable number, because it can be changed into a prime (1453253339) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 363313333 + ... + 363313336.

Almost surely, 2^1453253338 is an apocalyptic number.

1453253338 is a deficient number, since it is larger than the sum of its proper divisors (726626672).

1453253338 is an equidigital number, since it uses as much as digits as its factorization.

1453253338 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 726626671.

The product of its digits is 129600, while the sum is 37.

The square root of 1453253338 is about 38121.5600152984. The cubic root of 1453253338 is about 1132.6970681396.

Adding to 1453253338 its reverse (8333523541), we get a palindrome (9786776879).

The spelling of 1453253338 in words is "one billion, four hundred fifty-three million, two hundred fifty-three thousand, three hundred thirty-eight".