61862837 has 2 divisors, whose sum is σ = 61862838. Its totient is φ = 61862836.

The previous prime is 61862831. The next prime is 61862849. The reversal of 61862837 is 73826816.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 61606801 + 256036 = 7849^2 + 506^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-61862837 is a prime.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 61862794 and 61862803.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (61862831) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 30931418 + 30931419.

It is an arithmetic number, because the mean of its divisors is an integer number (30931419).

Almost surely, 2^61862837 is an apocalyptic number.

It is an amenable number.

61862837 is a deficient number, since it is larger than the sum of its proper divisors (1).

61862837 is an equidigital number, since it uses as much as digits as its factorization.

61862837 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 96768, while the sum is 41.

The square root of 61862837 is about 7865.2931922466. The cubic root of 61862837 is about 395.4970764971.

The spelling of 61862837 in words is "sixty-one million, eight hundred sixty-two thousand, eight hundred thirty-seven".