625450411 has 2 divisors, whose sum is σ = 625450412. Its totient is φ = 625450410.

The previous prime is 625450409. The next prime is 625450429. The reversal of 625450411 is 114054526.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 625450411 - 2¹ = 625450409 is a prime.

Together with 625450409, it forms a pair of twin primes.

It is a self number, because there is not a number n which added to its sum of digits gives 625450411.

It is not a weakly prime, because it can be changed into another prime (625450481) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 312725205 + 312725206.

It is an arithmetic number, because the mean of its divisors is an integer number (312725206).

Almost surely, 2^625450411 is an apocalyptic number.

625450411 is a deficient number, since it is larger than the sum of its proper divisors (1).

625450411 is an equidigital number, since it uses as much as digits as its factorization.

625450411 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 4800, while the sum is 28.

The square root of 625450411 is about 25009.0065976240. The cubic root of 625450411 is about 855.1933085478.

It can be divided in two parts, 6254 and 50411, that added together give a palindrome (56665).

The spelling of 625450411 in words is "six hundred twenty-five million, four hundred fifty thousand, four hundred eleven".