624155141 has 2 divisors, whose sum is σ = 624155142. Its totient is φ = 624155140.

The previous prime is 624155137. The next prime is 624155143. The reversal of 624155141 is 141551426.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 459930916 + 164224225 = 21446^2 + 12815^2 .

It is a cyclic number.

It is not a de Polignac number, because 624155141 - 2² = 624155137 is a prime.

It is a super-3 number, since 3×624155141³ (a number of 27 digits) contains 333 as substring.

Together with 624155143, 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 (624155143) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 312077570 + 312077571.

It is an arithmetic number, because the mean of its divisors is an integer number (312077571).

Almost surely, 2^624155141 is an apocalyptic number.

It is an amenable number.

624155141 is a deficient number, since it is larger than the sum of its proper divisors (1).

624155141 is an equidigital number, since it uses as much as digits as its factorization.

624155141 is an evil number, because the sum of its binary digits is even.

The product of its digits is 4800, while the sum is 29.

The square root of 624155141 is about 24983.0971058434. The cubic root of 624155141 is about 854.6025493325.

The spelling of 624155141 in words is "six hundred twenty-four million, one hundred fifty-five thousand, one hundred forty-one".