561354051 has 4 divisors (see below), whose sum is σ = 748472072. Its totient is φ = 374236032.

The previous prime is 561354029. The next prime is 561354089. The reversal of 561354051 is 150453165.

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

It is not a de Polignac number, because 561354051 - 2⁵ = 561354019 is a prime.

It is a super-2 number, since 2×561354051² = 630236741148221202, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (561354751) 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, 93559006 + ... + 93559011.

It is an arithmetic number, because the mean of its divisors is an integer number (187118018).

Almost surely, 2^561354051 is an apocalyptic number.

561354051 is a deficient number, since it is larger than the sum of its proper divisors (187118021).

561354051 is a wasteful number, since it uses less digits than its factorization.

561354051 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 187118020.

The product of its (nonzero) digits is 9000, while the sum is 30.

The square root of 561354051 is about 23692.9114082672. The cubic root of 561354051 is about 824.9208621978.

The spelling of 561354051 in words is "five hundred sixty-one million, three hundred fifty-four thousand, fifty-one".