61425017 has 2 divisors, whose sum is σ = 61425018. Its totient is φ = 61425016.

The previous prime is 61424953. The next prime is 61425037. The reversal of 61425017 is 71052416.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 58813561 + 2611456 = 7669^2 + 1616^2 .

It is a cyclic number.

It is not a de Polignac number, because 61425017 - 2⁶ = 61424953 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (61425037) by changing a digit.

It is a good prime.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 30712508 + 30712509.

It is an arithmetic number, because the mean of its divisors is an integer number (30712509).

Almost surely, 2^61425017 is an apocalyptic number.

It is an amenable number.

61425017 is a deficient number, since it is larger than the sum of its proper divisors (1).

61425017 is an equidigital number, since it uses as much as digits as its factorization.

61425017 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1680, while the sum is 26.

The square root of 61425017 is about 7837.4113711097. The cubic root of 61425017 is about 394.5618535425.

The spelling of 61425017 in words is "sixty-one million, four hundred twenty-five thousand, seventeen".