1601301525 has 12 divisors (see below), whose sum is σ = 2647485312. Its totient is φ = 854027440.

The previous prime is 1601301517. The next prime is 1601301529. The reversal of 1601301525 is 5251031061.

It is not a de Polignac number, because 1601301525 - 2³ = 1601301517 is a prime.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 1601301495 and 1601301504.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1601301529) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 10675269 + ... + 10675418.

It is an arithmetic number, because the mean of its divisors is an integer number (220623776).

Almost surely, 2^1601301525 is an apocalyptic number.

1601301525 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

1601301525 is a deficient number, since it is larger than the sum of its proper divisors (1046183787).

1601301525 is a wasteful number, since it uses less digits than its factorization.

1601301525 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21350700 (or 21350695 counting only the distinct ones).

The product of its (nonzero) digits is 900, while the sum is 24.

The square root of 1601301525 is about 40016.2657553151. The cubic root of 1601301525 is about 1169.9241495133.

Adding to 1601301525 its reverse (5251031061), we get a palindrome (6852332586).

The spelling of 1601301525 in words is "one billion, six hundred one million, three hundred one thousand, five hundred twenty-five".