60091397 has 2 divisors, whose sum is σ = 60091398. Its totient is φ = 60091396.

The previous prime is 60091391. The next prime is 60091411. The reversal of 60091397 is 79319006.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 52983841 + 7107556 = 7279^2 + 2666^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-60091397 is a prime.

It is a super-2 number, since 2×60091397² = 7221951986823218, which contains 22 as substring.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (60091391) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 30045698 + 30045699.

It is an arithmetic number, because the mean of its divisors is an integer number (30045699).

Almost surely, 2^60091397 is an apocalyptic number.

It is an amenable number.

60091397 is a deficient number, since it is larger than the sum of its proper divisors (1).

60091397 is an equidigital number, since it uses as much as digits as its factorization.

60091397 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 10206, while the sum is 35.

The square root of 60091397 is about 7751.8640983959. The cubic root of 60091397 is about 391.6854450229.

The spelling of 60091397 in words is "sixty million, ninety-one thousand, three hundred ninety-seven".