162522649 has 2 divisors, whose sum is σ = 162522650. Its totient is φ = 162522648.

The previous prime is 162522617. The next prime is 162522667. The reversal of 162522649 is 946225261.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 118962649 + 43560000 = 10907^2 + 6600^2 .

It is an emirp because it is prime and its reverse (946225261) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 162522649 - 2⁵ = 162522617 is a prime.

It is a super-2 number, since 2×162522649² = 52827222875954402, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (162522149) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 81261324 + 81261325.

It is an arithmetic number, because the mean of its divisors is an integer number (81261325).

Almost surely, 2^162522649 is an apocalyptic number.

It is an amenable number.

162522649 is a deficient number, since it is larger than the sum of its proper divisors (1).

162522649 is an equidigital number, since it uses as much as digits as its factorization.

162522649 is an evil number, because the sum of its binary digits is even.

The product of its digits is 51840, while the sum is 37.

The square root of 162522649 is about 12748.4371198983. The cubic root of 162522649 is about 545.7217931296.

The spelling of 162522649 in words is "one hundred sixty-two million, five hundred twenty-two thousand, six hundred forty-nine".