60953509 has 2 divisors, whose sum is σ = 60953510. Its totient is φ = 60953508.

The previous prime is 60953423. The next prime is 60953531. The reversal of 60953509 is 90535906.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 57988225 + 2965284 = 7615^2 + 1722^2 .

It is a cyclic number.

It is not a de Polignac number, because 60953509 - 2¹³ = 60945317 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (60953309) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 30476754 + 30476755.

It is an arithmetic number, because the mean of its divisors is an integer number (30476755).

Almost surely, 2^60953509 is an apocalyptic number.

It is an amenable number.

60953509 is a deficient number, since it is larger than the sum of its proper divisors (1).

60953509 is an equidigital number, since it uses as much as digits as its factorization.

60953509 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 36450, while the sum is 37.

The square root of 60953509 is about 7807.2728273066. The cubic root of 60953509 is about 393.5496865046.

It can be divided in two parts, 6095 and 3509, that added together give a square (9604 = 98²).

The spelling of 60953509 in words is "sixty million, nine hundred fifty-three thousand, five hundred nine".