1627420253 has 4 divisors (see below), whose sum is σ = 1627832220. Its totient is φ = 1627008288.

The previous prime is 1627420241. The next prime is 1627420273. The reversal of 1627420253 is 3520247261.

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

It can be written as a sum of positive squares in 2 ways, for example, as 1254080569 + 373339684 = 35413^2 + 19322^2 .

It is a cyclic number.

It is not a de Polignac number, because 1627420253 - 2⁶ = 1627420189 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 (1627420273) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 200000 + ... + 207977.

It is an arithmetic number, because the mean of its divisors is an integer number (406958055).

Almost surely, 2^1627420253 is an apocalyptic number.

It is an amenable number.

1627420253 is a deficient number, since it is larger than the sum of its proper divisors (411967).

1627420253 is an equidigital number, since it uses as much as digits as its factorization.

1627420253 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 411966.

The product of its (nonzero) digits is 20160, while the sum is 32.

The square root of 1627420253 is about 40341.2971159828. The cubic root of 1627420253 is about 1176.2507286694.

The spelling of 1627420253 in words is "one billion, six hundred twenty-seven million, four hundred twenty thousand, two hundred fifty-three".