1053505051 has 4 divisors (see below), whose sum is σ = 1053574432. Its totient is φ = 1053435672.

The previous prime is 1053505039. The next prime is 1053505091. The reversal of 1053505051 is 1505053501.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length, and also an emirpimes, since its reverse is a distinct semiprime: 1505053501 = 7 ⋅215007643.

It is a cyclic number.

It is not a de Polignac number, because 1053505051 - 2²⁷ = 919287323 is a prime.

It is a super-2 number, since 2×1053505051² = 2219745784965025202, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1053505001) 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, 1020 + ... + 45913.

It is an arithmetic number, because the mean of its divisors is an integer number (263393608).

Almost surely, 2^1053505051 is an apocalyptic number.

1053505051 is a deficient number, since it is larger than the sum of its proper divisors (69381).

1053505051 is an equidigital number, since it uses as much as digits as its factorization.

1053505051 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 69380.

The product of its (nonzero) digits is 1875, while the sum is 25.

The square root of 1053505051 is about 32457.7425431899. The cubic root of 1053505051 is about 1017.5260597776.

Adding to 1053505051 its reverse (1505053501), we get a palindrome (2558558552).

The spelling of 1053505051 in words is "one billion, fifty-three million, five hundred five thousand, fifty-one".