61254617 has 2 divisors, whose sum is σ = 61254618. Its totient is φ = 61254616.

The previous prime is 61254577. The next prime is 61254619. The reversal of 61254617 is 71645216.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 46730896 + 14523721 = 6836^2 + 3811^2 .

It is a cyclic number.

It is not a de Polignac number, because 61254617 - 2¹² = 61250521 is a prime.

Together with 61254619, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (61254619) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 30627308 + 30627309.

It is an arithmetic number, because the mean of its divisors is an integer number (30627309).

Almost surely, 2^61254617 is an apocalyptic number.

It is an amenable number.

61254617 is a deficient number, since it is larger than the sum of its proper divisors (1).

61254617 is an equidigital number, since it uses as much as digits as its factorization.

61254617 is an evil number, because the sum of its binary digits is even.

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

The square root of 61254617 is about 7826.5328850009. The cubic root of 61254617 is about 394.1966624521.

The spelling of 61254617 in words is "sixty-one million, two hundred fifty-four thousand, six hundred seventeen".