162520601 has 4 divisors (see below), whose sum is σ = 162546432. Its totient is φ = 162494772.

The previous prime is 162520583. The next prime is 162520619. The reversal of 162520601 is 106025261.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also a brilliant number, because the two primes have the same length.

It is an interprime number because it is at equal distance from previous prime (162520583) and next prime (162520619).

It is a cyclic number.

It is not a de Polignac number, because 162520601 - 2⁶ = 162520537 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (162520621) 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 in 3 ways as a sum of consecutive naturals, for example, 3356 + ... + 18338.

It is an arithmetic number, because the mean of its divisors is an integer number (40636608).

Almost surely, 2^162520601 is an apocalyptic number.

It is an amenable number.

162520601 is a deficient number, since it is larger than the sum of its proper divisors (25831).

162520601 is a wasteful number, since it uses less digits than its factorization.

162520601 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25830.

The product of its (nonzero) digits is 720, while the sum is 23.

The square root of 162520601 is about 12748.3567960738. The cubic root of 162520601 is about 545.7195008482.

Adding to 162520601 its reverse (106025261), we get a palindrome (268545862).

The spelling of 162520601 in words is "one hundred sixty-two million, five hundred twenty thousand, six hundred one".