1625045266 has 48 divisors (see below), whose sum is σ = 2910124224. Its totient is φ = 675138816.

The previous prime is 1625045237. The next prime is 1625045287. The reversal of 1625045266 is 6625405261.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 168121 + ... + 177523.

It is an arithmetic number, because the mean of its divisors is an integer number (60627588).

Almost surely, 2^1625045266 is an apocalyptic number.

1625045266 is a deficient number, since it is larger than the sum of its proper divisors (1285078958).

1625045266 is a wasteful number, since it uses less digits than its factorization.

1625045266 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9475 (or 9458 counting only the distinct ones).

The product of its (nonzero) digits is 86400, while the sum is 37.

The square root of 1625045266 is about 40311.8501932124. The cubic root of 1625045266 is about 1175.6782602222.

It can be divided in two parts, 16250 and 45266, that added together give a palindrome (61516).

The spelling of 1625045266 in words is "one billion, six hundred twenty-five million, forty-five thousand, two hundred sixty-six".