162540601 has 2 divisors, whose sum is σ = 162540602. Its totient is φ = 162540600.

The previous prime is 162540583. The next prime is 162540607. The reversal of 162540601 is 106045261.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 162537001 + 3600 = 12749^2 + 60^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-162540601 is a prime.

It is not a weakly prime, because it can be changed into another prime (162540607) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 81270300 + 81270301.

It is an arithmetic number, because the mean of its divisors is an integer number (81270301).

Almost surely, 2^162540601 is an apocalyptic number.

It is an amenable number.

162540601 is a deficient number, since it is larger than the sum of its proper divisors (1).

162540601 is an equidigital number, since it uses as much as digits as its factorization.

162540601 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1440, while the sum is 25.

The square root of 162540601 is about 12749.1411867623. The cubic root of 162540601 is about 545.7418855844.

Adding to 162540601 its reverse (106045261), we get a palindrome (268585862).

The spelling of 162540601 in words is "one hundred sixty-two million, five hundred forty thousand, six hundred one".