1625053305 has 16 divisors (see below), whose sum is σ = 2632999680. Its totient is φ = 855723648.

The previous prime is 1625053289. The next prime is 1625053321. The reversal of 1625053305 is 5033505261.

It is an interprime number because it is at equal distance from previous prime (1625053289) and next prime (1625053321).

It is not a de Polignac number, because 1625053305 - 2⁴ = 1625053289 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 684492 + ... + 686861.

It is an arithmetic number, because the mean of its divisors is an integer number (164562480).

Almost surely, 2^1625053305 is an apocalyptic number.

1625053305 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

1625053305 is a deficient number, since it is larger than the sum of its proper divisors (1007946375).

1625053305 is a wasteful number, since it uses less digits than its factorization.

1625053305 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1371440.

The product of its (nonzero) digits is 13500, while the sum is 30.

The square root of 1625053305 is about 40311.9499032235. The cubic root of 1625053305 is about 1175.6801988886.

Adding to 1625053305 its reverse (5033505261), we get a palindrome (6658558566).

The spelling of 1625053305 in words is "one billion, six hundred twenty-five million, fifty-three thousand, three hundred five".