412051561 has 4 divisors (see below), whose sum is σ = 414004624. Its totient is φ = 410098500.

The previous prime is 412051531. The next prime is 412051567. The reversal of 412051561 is 165150214.

It is a happy number.

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 412051561 - 2⁷ = 412051433 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (412051567) 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, 976215 + ... + 976636.

It is an arithmetic number, because the mean of its divisors is an integer number (103501156).

Almost surely, 2^412051561 is an apocalyptic number.

It is an amenable number.

412051561 is a deficient number, since it is larger than the sum of its proper divisors (1953063).

412051561 is a wasteful number, since it uses less digits than its factorization.

412051561 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1953062.

The product of its (nonzero) digits is 1200, while the sum is 25.

The square root of 412051561 is about 20299.0532045216. The cubic root of 412051561 is about 744.1329257476.

The spelling of 412051561 in words is "four hundred twelve million, fifty-one thousand, five hundred sixty-one".