61814741 has 2 divisors, whose sum is σ = 61814742. Its totient is φ = 61814740.

The previous prime is 61814723. The next prime is 61814743. The reversal of 61814741 is 14741816.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 61559716 + 255025 = 7846^2 + 505^2 .

It is a cyclic number.

It is not a de Polignac number, because 61814741 - 2⁶ = 61814677 is a prime.

Together with 61814743, it forms a pair of twin primes.

It is a Chen prime.

It is an alternating number because its digits alternate between even and odd.

It is a junction number, because it is equal to n+sod(n) for n = 61814698 and 61814707.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (61814743) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 30907370 + 30907371.

It is an arithmetic number, because the mean of its divisors is an integer number (30907371).

Almost surely, 2^61814741 is an apocalyptic number.

It is an amenable number.

61814741 is a deficient number, since it is larger than the sum of its proper divisors (1).

61814741 is an equidigital number, since it uses as much as digits as its factorization.

61814741 is an evil number, because the sum of its binary digits is even.

The product of its digits is 5376, while the sum is 32.

The square root of 61814741 is about 7862.2351147749. The cubic root of 61814741 is about 395.3945552850.

The spelling of 61814741 in words is "sixty-one million, eight hundred fourteen thousand, seven hundred forty-one".