1051324561 has 8 divisors (see below), whose sum is σ = 1202845760. Its totient is φ = 900136368.

The previous prime is 1051324553. The next prime is 1051324579. The reversal of 1051324561 is 1654231501.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 1051324561 - 2³ = 1051324553 is a prime.

It is a super-2 number, since 2×1051324561² = 2210566665123685442, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1051324531) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 76446 + ... + 89143.

It is an arithmetic number, because the mean of its divisors is an integer number (150355720).

Almost surely, 2^1051324561 is an apocalyptic number.

It is an amenable number.

1051324561 is a deficient number, since it is larger than the sum of its proper divisors (151521199).

1051324561 is an equidigital number, since it uses as much as digits as its factorization.

1051324561 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 166503.

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

The square root of 1051324561 is about 32424.1354703560. The cubic root of 1051324561 is about 1016.8235673758.

The spelling of 1051324561 in words is "one billion, fifty-one million, three hundred twenty-four thousand, five hundred sixty-one".