127633253 has 4 divisors (see below), whose sum is σ = 139236288. Its totient is φ = 116030220.

The previous prime is 127633243. The next prime is 127633271. The reversal of 127633253 is 352336721.

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, and also an emirpimes, since its reverse is a distinct semiprime: 352336721 = 11 ⋅32030611.

It is a cyclic number.

It is not a de Polignac number, because 127633253 - 2²² = 123438949 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (127633213) 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, 5801501 + ... + 5801522.

It is an arithmetic number, because the mean of its divisors is an integer number (34809072).

Almost surely, 2^127633253 is an apocalyptic number.

It is an amenable number.

127633253 is a deficient number, since it is larger than the sum of its proper divisors (11603035).

127633253 is a wasteful number, since it uses less digits than its factorization.

127633253 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11603034.

The product of its digits is 22680, while the sum is 32.

The square root of 127633253 is about 11297.4887917625. The cubic root of 127633253 is about 503.4866342490.

Adding to 127633253 its reverse (352336721), we get a palindrome (479969974).

The spelling of 127633253 in words is "one hundred twenty-seven million, six hundred thirty-three thousand, two hundred fifty-three".