152421671 has 2 divisors, whose sum is σ = 152421672. Its totient is φ = 152421670.

The previous prime is 152421653. The next prime is 152421673. The reversal of 152421671 is 176124251.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 152421671 - 2¹⁰ = 152420647 is a prime.

Together with 152421673, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (152421673) 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, 76210835 + 76210836.

It is an arithmetic number, because the mean of its divisors is an integer number (76210836).

Almost surely, 2^152421671 is an apocalyptic number.

152421671 is a deficient number, since it is larger than the sum of its proper divisors (1).

152421671 is an equidigital number, since it uses as much as digits as its factorization.

152421671 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 3360, while the sum is 29.

The square root of 152421671 is about 12345.9171793755. The cubic root of 152421671 is about 534.1733774251.

The spelling of 152421671 in words is "one hundred fifty-two million, four hundred twenty-one thousand, six hundred seventy-one".