465161551 has 2 divisors, whose sum is σ = 465161552. Its totient is φ = 465161550.

The previous prime is 465161419. The next prime is 465161561. The reversal of 465161551 is 155161564.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 465161551 - 2¹¹ = 465159503 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (465161561) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 232580775 + 232580776.

It is an arithmetic number, because the mean of its divisors is an integer number (232580776).

Almost surely, 2^465161551 is an apocalyptic number.

465161551 is a deficient number, since it is larger than the sum of its proper divisors (1).

465161551 is an equidigital number, since it uses as much as digits as its factorization.

465161551 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 18000, while the sum is 34.

The square root of 465161551 is about 21567.6042016725. The cubic root of 465161551 is about 774.8207985252.

The spelling of 465161551 in words is "four hundred sixty-five million, one hundred sixty-one thousand, five hundred fifty-one".