60953909 has 2 divisors, whose sum is σ = 60953910. Its totient is φ = 60953908.

The previous prime is 60953873. The next prime is 60953923. The reversal of 60953909 is 90935906.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 58951684 + 2002225 = 7678^2 + 1415^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-60953909 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (60953989) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 30476954 + 30476955.

It is an arithmetic number, because the mean of its divisors is an integer number (30476955).

Almost surely, 2^60953909 is an apocalyptic number.

It is an amenable number.

60953909 is a deficient number, since it is larger than the sum of its proper divisors (1).

60953909 is an equidigital number, since it uses as much as digits as its factorization.

60953909 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 65610, while the sum is 41.

The square root of 60953909 is about 7807.2984444044. The cubic root of 60953909 is about 393.5505473768.

The spelling of 60953909 in words is "sixty million, nine hundred fifty-three thousand, nine hundred nine".