162425257 has 2 divisors, whose sum is σ = 162425258. Its totient is φ = 162425256.

The previous prime is 162425203. The next prime is 162425269. The reversal of 162425257 is 752524261.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 97397161 + 65028096 = 9869^2 + 8064^2 .

It is a cyclic number.

It is not a de Polignac number, because 162425257 - 2¹⁹ = 161900969 is a prime.

It is a super-3 number, since 3×162425257³ (a number of 26 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is not a weakly prime, because it can be changed into another prime (162425297) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 81212628 + 81212629.

It is an arithmetic number, because the mean of its divisors is an integer number (81212629).

Almost surely, 2^162425257 is an apocalyptic number.

It is an amenable number.

162425257 is a deficient number, since it is larger than the sum of its proper divisors (1).

162425257 is an equidigital number, since it uses as much as digits as its factorization.

162425257 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 33600, while the sum is 34.

The square root of 162425257 is about 12744.6167851372. The cubic root of 162425257 is about 545.6127630810.

The spelling of 162425257 in words is "one hundred sixty-two million, four hundred twenty-five thousand, two hundred fifty-seven".