561051051 has 32 divisors (see below), whose sum is σ = 891979776. Its totient is φ = 309696000.

The previous prime is 561051041. The next prime is 561051107. The reversal of 561051051 is 150150165.

It is not a de Polignac number, because 561051051 - 2⁷ = 561050923 is a prime.

561051051 is a modest number, since divided by 51051 gives 561 as remainder.

It is not an unprimeable number, because it can be changed into a prime (561051041) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1261 + ... + 33521.

It is an arithmetic number, because the mean of its divisors is an integer number (27874368).

Almost surely, 2^561051051 is an apocalyptic number.

561051051 is a gapful number since it is divisible by the number (51) formed by its first and last digit.

561051051 is a deficient number, since it is larger than the sum of its proper divisors (330928725).

561051051 is a wasteful number, since it uses less digits than its factorization.

561051051 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 32323.

The product of its (nonzero) digits is 750, while the sum is 24.

The square root of 561051051 is about 23686.5162275924. The cubic root of 561051051 is about 824.7724139912.

The spelling of 561051051 in words is "five hundred sixty-one million, fifty-one thousand, fifty-one".