1625364229 has 2 divisors, whose sum is σ = 1625364230. Its totient is φ = 1625364228.

The previous prime is 1625364227. The next prime is 1625364259. The reversal of 1625364229 is 9224635261.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1624251204 + 1113025 = 40302^2 + 1055^2 .

It is a cyclic number.

It is not a de Polignac number, because 1625364229 - 2¹ = 1625364227 is a prime.

Together with 1625364227, it forms a pair of twin primes.

It is a junction number, because it is equal to n+sod(n) for n = 1625364191 and 1625364200.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1625364227) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 812682114 + 812682115.

It is an arithmetic number, because the mean of its divisors is an integer number (812682115).

Almost surely, 2^1625364229 is an apocalyptic number.

It is an amenable number.

1625364229 is a deficient number, since it is larger than the sum of its proper divisors (1).

1625364229 is an equidigital number, since it uses as much as digits as its factorization.

1625364229 is an evil number, because the sum of its binary digits is even.

The product of its digits is 155520, while the sum is 40.

The square root of 1625364229 is about 40315.8061931050. The cubic root of 1625364229 is about 1175.7551756864.

The spelling of 1625364229 in words is "one billion, six hundred twenty-five million, three hundred sixty-four thousand, two hundred twenty-nine".