415274561 has 4 divisors (see below), whose sum is σ = 447218772. Its totient is φ = 383330352.

The previous prime is 415274551. The next prime is 415274579. The reversal of 415274561 is 165472514.

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

It can be written as a sum of positive squares in 2 ways, for example, as 236544400 + 178730161 = 15380^2 + 13369^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-415274561 is a prime.

It is a super-2 number, since 2×415274561² = 344905922027485442, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (415274501) 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, 15972086 + ... + 15972111.

It is an arithmetic number, because the mean of its divisors is an integer number (111804693).

Almost surely, 2^415274561 is an apocalyptic number.

It is an amenable number.

415274561 is a deficient number, since it is larger than the sum of its proper divisors (31944211).

415274561 is a wasteful number, since it uses less digits than its factorization.

415274561 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 31944210.

The product of its digits is 33600, while the sum is 35.

The square root of 415274561 is about 20378.2865079476. The cubic root of 415274561 is about 746.0680511346.

The spelling of 415274561 in words is "four hundred fifteen million, two hundred seventy-four thousand, five hundred sixty-one".