162375749 has 2 divisors, whose sum is σ = 162375750. Its totient is φ = 162375748.

The previous prime is 162375713. The next prime is 162375751. The reversal of 162375749 is 947573261.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 131217025 + 31158724 = 11455^2 + 5582^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-162375749 is a prime.

It is a super-2 number, since 2×162375749² = 52731767726622002, which contains 22 as substring.

It is a Sophie Germain prime.

Together with 162375751, it forms a pair of twin primes.

It is a Chen prime.

It is a Curzon number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (162375709) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 81187874 + 81187875.

It is an arithmetic number, because the mean of its divisors is an integer number (81187875).

Almost surely, 2^162375749 is an apocalyptic number.

It is an amenable number.

162375749 is a deficient number, since it is larger than the sum of its proper divisors (1).

162375749 is an equidigital number, since it uses as much as digits as its factorization.

162375749 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 317520, while the sum is 44.

The square root of 162375749 is about 12742.6743268436. The cubic root of 162375749 is about 545.5573223158.

The spelling of 162375749 in words is "one hundred sixty-two million, three hundred seventy-five thousand, seven hundred forty-nine".