561252415 has 8 divisors (see below), whose sum is σ = 674574048. Its totient is φ = 448287840.

The previous prime is 561252407. The next prime is 561252481. The reversal of 561252415 is 514252165.

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

It is not a de Polignac number, because 561252415 - 2³ = 561252407 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 85792 + ... + 92101.

It is an arithmetic number, because the mean of its divisors is an integer number (84321756).

Almost surely, 2^561252415 is an apocalyptic number.

561252415 is a deficient number, since it is larger than the sum of its proper divisors (113321633).

561252415 is a wasteful number, since it uses less digits than its factorization.

561252415 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 178529.

The product of its digits is 12000, while the sum is 31.

The square root of 561252415 is about 23690.7664502439. The cubic root of 561252415 is about 824.8710738232.

The spelling of 561252415 in words is "five hundred sixty-one million, two hundred fifty-two thousand, four hundred fifteen".