561058245 has 90 divisors (see below), whose sum is σ = 1115920806. Its totient is φ = 269485920.

The previous prime is 561058231. The next prime is 561058283. The reversal of 561058245 is 542850165.

561058245 is a `hidden beast` number, since 561 + 0 + 58 + 2 + 45 = 666.

It can be written as a sum of positive squares in only one way, i.e., 448846596 + 112211649 = 21186^2 + 10593^2 .

It is not a de Polignac number, because 561058245 - 2⁹ = 561057733 is a prime.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 89 ways as a sum of consecutive naturals, for example, 5243482 + ... + 5243588.

Almost surely, 2^561058245 is an apocalyptic number.

561058245 is a gapful number since it is divisible by the number (55) formed by its first and last digit.

It is an amenable number.

561058245 is a deficient number, since it is larger than the sum of its proper divisors (554862561).

561058245 is a wasteful number, since it uses less digits than its factorization.

561058245 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 253 (or 126 counting only the distinct ones).

The product of its (nonzero) digits is 48000, while the sum is 36.

The square root of 561058245 is about 23686.6680856553. The cubic root of 561058245 is about 824.7759391531.

The spelling of 561058245 in words is "five hundred sixty-one million, fifty-eight thousand, two hundred forty-five".