61418611 has 2 divisors, whose sum is σ = 61418612. Its totient is φ = 61418610.

The previous prime is 61418561. The next prime is 61418639. The reversal of 61418611 is 11681416.

It is an a-pointer prime, because the next prime (61418639) can be obtained adding 61418611 to its sum of digits (28).

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-61418611 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 61418611.

It is not a weakly prime, because it can be changed into another prime (61418681) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 30709305 + 30709306.

It is an arithmetic number, because the mean of its divisors is an integer number (30709306).

Almost surely, 2^61418611 is an apocalyptic number.

61418611 is a deficient number, since it is larger than the sum of its proper divisors (1).

61418611 is an equidigital number, since it uses as much as digits as its factorization.

61418611 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1152, while the sum is 28.

The square root of 61418611 is about 7837.0026795963. The cubic root of 61418611 is about 394.5481368126.

The spelling of 61418611 in words is "sixty-one million, four hundred eighteen thousand, six hundred eleven".