162949261 has 2 divisors, whose sum is σ = 162949262. Its totient is φ = 162949260.

The previous prime is 162949253. The next prime is 162949349.

162949261 is nontrivially palindromic in base 10.

162949261 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 155002500 + 7946761 = 12450^2 + 2819^2 .

It is a palprime.

It is a cyclic number.

It is not a de Polignac number, because 162949261 - 2³ = 162949253 is a prime.

It is a super-2 number, since 2×162949261² = 53104923320892242, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (162919261) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 81474630 + 81474631.

It is an arithmetic number, because the mean of its divisors is an integer number (81474631).

Almost surely, 2^162949261 is an apocalyptic number.

It is an amenable number.

162949261 is a deficient number, since it is larger than the sum of its proper divisors (1).

162949261 is an equidigital number, since it uses as much as digits as its factorization.

162949261 is an evil number, because the sum of its binary digits is even.

The product of its digits is 46656, while the sum is 40.

The square root of 162949261 is about 12765.1580875444. The cubic root of 162949261 is about 546.1988713672.

The spelling of 162949261 in words is "one hundred sixty-two million, nine hundred forty-nine thousand, two hundred sixty-one".