61472417 has 2 divisors, whose sum is σ = 61472418. Its totient is φ = 61472416.

The previous prime is 61472393. The next prime is 61472419. The reversal of 61472417 is 71427416.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 52940176 + 8532241 = 7276^2 + 2921^2 .

It is a cyclic number.

It is not a de Polignac number, because 61472417 - 2¹⁴ = 61456033 is a prime.

Together with 61472419, 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 (61472419) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 30736208 + 30736209.

It is an arithmetic number, because the mean of its divisors is an integer number (30736209).

Almost surely, 2^61472417 is an apocalyptic number.

It is an amenable number.

61472417 is a deficient number, since it is larger than the sum of its proper divisors (1).

61472417 is an equidigital number, since it uses as much as digits as its factorization.

61472417 is an evil number, because the sum of its binary digits is even.

The product of its digits is 9408, while the sum is 32.

The square root of 61472417 is about 7840.4347455993. The cubic root of 61472417 is about 394.6633182994.

The spelling of 61472417 in words is "sixty-one million, four hundred seventy-two thousand, four hundred seventeen".