1541909053 has 4 divisors (see below), whose sum is σ = 1541988000. Its totient is φ = 1541830108.

The previous prime is 1541909041. The next prime is 1541909063. The reversal of 1541909053 is 3509091451.

It is a happy number.

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 a brilliant number, because the two primes have the same length, and also an emirpimes, since its reverse is a distinct semiprime: 3509091451 = 859 ⋅4085089.

It is a cyclic number.

It is not a de Polignac number, because 1541909053 - 2¹³ = 1541900861 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 (1541909003) 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, 13698 + ... + 57196.

It is an arithmetic number, because the mean of its divisors is an integer number (385497000).

Almost surely, 2^1541909053 is an apocalyptic number.

It is an amenable number.

1541909053 is a deficient number, since it is larger than the sum of its proper divisors (78947).

1541909053 is an equidigital number, since it uses as much as digits as its factorization.

1541909053 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 78946.

The product of its (nonzero) digits is 24300, while the sum is 37.

The square root of 1541909053 is about 39267.1497947075. The cubic root of 1541909053 is about 1155.2773340008.

The spelling of 1541909053 in words is "one billion, five hundred forty-one million, nine hundred nine thousand, fifty-three".