61753567 has 2 divisors, whose sum is σ = 61753568. Its totient is φ = 61753566.

The previous prime is 61753511. The next prime is 61753579. The reversal of 61753567 is 76535716.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-61753567 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (61753067) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 30876783 + 30876784.

It is an arithmetic number, because the mean of its divisors is an integer number (30876784).

Almost surely, 2^61753567 is an apocalyptic number.

61753567 is a deficient number, since it is larger than the sum of its proper divisors (1).

61753567 is an equidigital number, since it uses as much as digits as its factorization.

61753567 is an evil number, because the sum of its binary digits is even.

The product of its digits is 132300, while the sum is 40.

The square root of 61753567 is about 7858.3437822483. The cubic root of 61753567 is about 395.2640802043.

The spelling of 61753567 in words is "sixty-one million, seven hundred fifty-three thousand, five hundred sixty-seven".