1601726325 has 48 divisors (see below), whose sum is σ = 2794642560. Its totient is φ = 807854080.

The previous prime is 1601726317. The next prime is 1601726327. The reversal of 1601726325 is 5236271061.

It is not a de Polignac number, because 1601726325 - 2³ = 1601726317 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1601726327) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 148309 + ... + 158741.

It is an arithmetic number, because the mean of its divisors is an integer number (58221720).

Almost surely, 2^1601726325 is an apocalyptic number.

1601726325 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

1601726325 is a deficient number, since it is larger than the sum of its proper divisors (1192916235).

1601726325 is a wasteful number, since it uses less digits than its factorization.

1601726325 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10558 (or 10553 counting only the distinct ones).

The product of its (nonzero) digits is 15120, while the sum is 33.

The square root of 1601726325 is about 40021.5732449388. The cubic root of 1601726325 is about 1170.0275944986.

Adding to 1601726325 its reverse (5236271061), we get a palindrome (6837997386).

The spelling of 1601726325 in words is "one billion, six hundred one million, seven hundred twenty-six thousand, three hundred twenty-five".