526721461 has 16 divisors (see below), whose sum is σ = 625933440. Its totient is φ = 433661760.

The previous prime is 526721453. The next prime is 526721479. The reversal of 526721461 is 164127625.

It is not a de Polignac number, because 526721461 - 2³ = 526721453 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (526721441) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 33406 + ... + 46576.

It is an arithmetic number, because the mean of its divisors is an integer number (39120840).

Almost surely, 2^526721461 is an apocalyptic number.

It is an amenable number.

526721461 is a deficient number, since it is larger than the sum of its proper divisors (99211979).

526721461 is a wasteful number, since it uses less digits than its factorization.

526721461 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13404.

The product of its digits is 20160, while the sum is 34.

The square root of 526721461 is about 22950.4130899642. The cubic root of 526721461 is about 807.5950926235.

The spelling of 526721461 in words is "five hundred twenty-six million, seven hundred twenty-one thousand, four hundred sixty-one".