61750823 has 2 divisors, whose sum is σ = 61750824. Its totient is φ = 61750822.

The previous prime is 61750811. The next prime is 61750841. The reversal of 61750823 is 32805716.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-61750823 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 61750823.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (61750123) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 30875411 + 30875412.

It is an arithmetic number, because the mean of its divisors is an integer number (30875412).

Almost surely, 2^61750823 is an apocalyptic number.

61750823 is a deficient number, since it is larger than the sum of its proper divisors (1).

61750823 is an equidigital number, since it uses as much as digits as its factorization.

61750823 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 10080, while the sum is 32.

The square root of 61750823 is about 7858.1691888124. The cubic root of 61750823 is about 395.2582256399.

The spelling of 61750823 in words is "sixty-one million, seven hundred fifty thousand, eight hundred twenty-three".