1053542515 has 4 divisors (see below), whose sum is σ = 1264251024. Its totient is φ = 842834008.

The previous prime is 1053542509. The next prime is 1053542521. The reversal of 1053542515 is 5152453501.

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

It is an interprime number because it is at equal distance from previous prime (1053542509) and next prime (1053542521).

It is a cyclic number.

It is not a de Polignac number, because 1053542515 - 2³ = 1053542507 is a prime.

It is a super-2 number, since 2×1053542515² = 2219903661825050450, which contains 22 as substring.

It is a Smith number, since the sum of its digits (31) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 105354247 + ... + 105354256.

It is an arithmetic number, because the mean of its divisors is an integer number (316062756).

Almost surely, 2^1053542515 is an apocalyptic number.

1053542515 is a deficient number, since it is larger than the sum of its proper divisors (210708509).

1053542515 is an equidigital number, since it uses as much as digits as its factorization.

1053542515 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 210708508.

The product of its (nonzero) digits is 15000, while the sum is 31.

The square root of 1053542515 is about 32458.3196576779. The cubic root of 1053542515 is about 1017.5381211482.

The spelling of 1053542515 in words is "one billion, fifty-three million, five hundred forty-two thousand, five hundred fifteen".