1625057344 has 21 divisors (see below), whose sum is σ = 3225363247. Its totient is φ = 812367424.

The previous prime is 1625057339. The next prime is 1625057359. The reversal of 1625057344 is 4437505261.

The square root of 1625057344 is 40312.

It is a perfect power (a square), and thus also a powerful number.

It is a super-2 number, since 2×1625057344² = 5281622742576668672, which contains 22 as substring.

It is a Duffinian number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 2 ways as a sum of consecutive naturals, for example, 319977 + ... + 325015.

Almost surely, 2^1625057344 is an apocalyptic number.

1625057344 is the 40312-nd square number.

It is an amenable number.

1625057344 is a deficient number, since it is larger than the sum of its proper divisors (1600305903).

1625057344 is an frugal number, since it uses more digits than its factorization.

1625057344 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10090 (or 5041 counting only the distinct ones).

The product of its (nonzero) digits is 100800, while the sum is 37.

The cubic root of 1625057344 is about 1175.6811729219.

The spelling of 1625057344 in words is "one billion, six hundred twenty-five million, fifty-seven thousand, three hundred forty-four".