162651253 has 2 divisors, whose sum is σ = 162651254. Its totient is φ = 162651252.

The previous prime is 162651233. The next prime is 162651299. The reversal of 162651253 is 352156261.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 121396324 + 41254929 = 11018^2 + 6423^2 .

It is an emirp because it is prime and its reverse (352156261) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 162651253 - 2⁵ = 162651221 is a prime.

It is equal to p_9114664 and since 162651253 and 9114664 have the same sum of digits, it is a Honaker prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (162651233) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 81325626 + 81325627.

It is an arithmetic number, because the mean of its divisors is an integer number (81325627).

Almost surely, 2^162651253 is an apocalyptic number.

It is an amenable number.

162651253 is a deficient number, since it is larger than the sum of its proper divisors (1).

162651253 is an equidigital number, since it uses as much as digits as its factorization.

162651253 is an evil number, because the sum of its binary digits is even.

The product of its digits is 10800, while the sum is 31.

The square root of 162651253 is about 12753.4800348768. The cubic root of 162651253 is about 545.8656982046.

The spelling of 162651253 in words is "one hundred sixty-two million, six hundred fifty-one thousand, two hundred fifty-three".