60357991 has 2 divisors, whose sum is σ = 60357992. Its totient is φ = 60357990.

The previous prime is 60357977. The next prime is 60358031. The reversal of 60357991 is 19975306.

It is an a-pointer prime, because the next prime (60358031) can be obtained adding 60357991 to its sum of digits (40).

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 60357991 - 2¹³ = 60349799 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (60357901) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 30178995 + 30178996.

It is an arithmetic number, because the mean of its divisors is an integer number (30178996).

Almost surely, 2^60357991 is an apocalyptic number.

60357991 is a deficient number, since it is larger than the sum of its proper divisors (1).

60357991 is an equidigital number, since it uses as much as digits as its factorization.

60357991 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 51030, while the sum is 40.

The square root of 60357991 is about 7769.0405456530. The cubic root of 60357991 is about 392.2638248123.

The spelling of 60357991 in words is "sixty million, three hundred fifty-seven thousand, nine hundred ninety-one".