2053445461 has 4 divisors (see below), whose sum is σ = 2068434252. Its totient is φ = 2038456672.

The previous prime is 2053445447. The next prime is 2053445467. The reversal of 2053445461 is 1645443502.

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 379080900 + 1674364561 = 19470^2 + 40919^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2053445461 is a prime.

It is a super-2 number, since 2×2053445461² = 8433276522603005042, which contains 22 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 (2053445467) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7494190 + ... + 7494463.

It is an arithmetic number, because the mean of its divisors is an integer number (517108563).

Almost surely, 2^2053445461 is an apocalyptic number.

It is an amenable number.

2053445461 is a deficient number, since it is larger than the sum of its proper divisors (14988791).

2053445461 is a wasteful number, since it uses less digits than its factorization.

2053445461 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14988790.

The product of its (nonzero) digits is 57600, while the sum is 34.

The square root of 2053445461 is about 45314.9584684793. The cubic root of 2053445461 is about 1271.0453833033.

Adding to 2053445461 its reverse (1645443502), we get a palindrome (3698888963).

The spelling of 2053445461 in words is "two billion, fifty-three million, four hundred forty-five thousand, four hundred sixty-one".