180852457 has 2 divisors, whose sum is σ = 180852458. Its totient is φ = 180852456.

The previous prime is 180852449. The next prime is 180852493. The reversal of 180852457 is 754258081.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 93915481 + 86936976 = 9691^2 + 9324^2 .

It is an emirp because it is prime and its reverse (754258081) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 180852457 - 2³ = 180852449 is a prime.

It is a super-2 number, since 2×180852457² = 65415222405873698, which contains 22 as substring.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (180852157) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 90426228 + 90426229.

It is an arithmetic number, because the mean of its divisors is an integer number (90426229).

Almost surely, 2^180852457 is an apocalyptic number.

It is an amenable number.

180852457 is a deficient number, since it is larger than the sum of its proper divisors (1).

180852457 is an equidigital number, since it uses as much as digits as its factorization.

180852457 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 89600, while the sum is 40.

The square root of 180852457 is about 13448.1395367538. The cubic root of 180852457 is about 565.5115392293.

The spelling of 180852457 in words is "one hundred eighty million, eight hundred fifty-two thousand, four hundred fifty-seven".