1625620355 has 8 divisors (see below), whose sum is σ = 1952974032. Its totient is φ = 1299009888.

The previous prime is 1625620313. The next prime is 1625620463. The reversal of 1625620355 is 5530265261.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 1625620355 - 2⁸ = 1625620099 is a prime.

It is a Duffinian number.

It is an unprimeable number.

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 in 7 ways as a sum of consecutive naturals, for example, 180977 + ... + 189746.

It is an arithmetic number, because the mean of its divisors is an integer number (244121754).

Almost surely, 2^1625620355 is an apocalyptic number.

1625620355 is a deficient number, since it is larger than the sum of its proper divisors (327353677).

1625620355 is an equidigital number, since it uses as much as digits as its factorization.

1625620355 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 371605.

The product of its (nonzero) digits is 54000, while the sum is 35.

The square root of 1625620355 is about 40318.9825640479. The cubic root of 1625620355 is about 1175.8169312092.

The spelling of 1625620355 in words is "one billion, six hundred twenty-five million, six hundred twenty thousand, three hundred fifty-five".