1625041441 has 8 divisors (see below), whose sum is σ = 1721700360. Its totient is φ = 1528501248.

The previous prime is 1625041417. The next prime is 1625041463. The reversal of 1625041441 is 1441405261.

It can be written as a sum of positive squares in 4 ways, for example, as 102090816 + 1522950625 = 10104^2 + 39025^2 .

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 1625041441 - 2⁹ = 1625040929 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1625041741) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 676 + ... + 57013.

It is an arithmetic number, because the mean of its divisors is an integer number (215212545).

Almost surely, 2^1625041441 is an apocalyptic number.

It is an amenable number.

1625041441 is a deficient number, since it is larger than the sum of its proper divisors (96658919).

1625041441 is a wasteful number, since it uses less digits than its factorization.

1625041441 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 59363.

The product of its (nonzero) digits is 3840, while the sum is 28.

The square root of 1625041441 is about 40311.8027505593. The cubic root of 1625041441 is about 1175.6773377919.

The spelling of 1625041441 in words is "one billion, six hundred twenty-five million, forty-one thousand, four hundred forty-one".