1015234561 has 4 divisors (see below), whose sum is σ = 1107528624. Its totient is φ = 922940500.

The previous prime is 1015234489. The next prime is 1015234567. The reversal of 1015234561 is 1654325101.

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.

It is a cyclic number.

It is not a de Polignac number, because 1015234561 - 2¹⁵ = 1015201793 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1015234567) 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, 46147015 + ... + 46147036.

It is an arithmetic number, because the mean of its divisors is an integer number (276882156).

Almost surely, 2^1015234561 is an apocalyptic number.

1015234561 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

1015234561 is a deficient number, since it is larger than the sum of its proper divisors (92294063).

1015234561 is an equidigital number, since it uses as much as digits as its factorization.

1015234561 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 92294062.

The product of its (nonzero) digits is 3600, while the sum is 28.

The square root of 1015234561 is about 31862.7456600965. The cubic root of 1015234561 is about 1005.0526150849.

Adding to 1015234561 its reverse (1654325101), we get a palindrome (2669559662).

The spelling of 1015234561 in words is "one billion, fifteen million, two hundred thirty-four thousand, five hundred sixty-one".