260521412 has 6 divisors (see below), whose sum is σ = 455912478. Its totient is φ = 130260704.

The previous prime is 260521411. The next prime is 260521439. The reversal of 260521412 is 214125062.

It is a happy number.

260521412 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in only one way, i.e., 174662656 + 85858756 = 13216^2 + 9266^2 .

It is a super-2 number, since 2×260521412² = 135742812220947488, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (260521411) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 32565173 + ... + 32565180.

It is an arithmetic number, because the mean of its divisors is an integer number (75985413).

Almost surely, 2^260521412 is an apocalyptic number.

It is an amenable number.

260521412 is a deficient number, since it is larger than the sum of its proper divisors (195391066).

260521412 is a wasteful number, since it uses less digits than its factorization.

260521412 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 65130357 (or 65130355 counting only the distinct ones).

The product of its (nonzero) digits is 960, while the sum is 23.

The square root of 260521412 is about 16140.6756983715. The cubic root of 260521412 is about 638.6768006774.

Adding to 260521412 its reverse (214125062), we get a palindrome (474646474).

The spelling of 260521412 in words is "two hundred sixty million, five hundred twenty-one thousand, four hundred twelve".