61562898 has 12 divisors (see below), whose sum is σ = 133386318. Its totient is φ = 20520960.

The previous prime is 61562887. The next prime is 61562909. The reversal of 61562898 is 89826516.

61562898 is a `hidden beast` number, since 6 + 1 + 562 + 89 + 8 = 666.

It is an interprime number because it is at equal distance from previous prime (61562887) and next prime (61562909).

It can be written as a sum of positive squares in only one way, i.e., 39350529 + 22212369 = 6273^2 + 4713^2 .

It is a Curzon number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1710063 + ... + 1710098.

Almost surely, 2^61562898 is an apocalyptic number.

61562898 is an abundant number, since it is smaller than the sum of its proper divisors (71823420).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

61562898 is a wasteful number, since it uses less digits than its factorization.

61562898 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3420169 (or 3420166 counting only the distinct ones).

The product of its digits is 207360, while the sum is 45.

The square root of 61562898 is about 7846.2027758655. The cubic root of 61562898 is about 394.8568578169.

The spelling of 61562898 in words is "sixty-one million, five hundred sixty-two thousand, eight hundred ninety-eight".