35725321 has 6 divisors (see below), whose sum is σ = 36324366. Its totient is φ = 35136000.

The previous prime is 35725273. The next prime is 35725343. The reversal of 35725321 is 12352753.

It can be written as a sum of positive squares in 3 ways, for example, as 156025 + 35569296 = 395^2 + 5964^2 .

It is not a de Polignac number, because 35725321 - 2¹⁷ = 35594249 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 35725321.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (35725351) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1080 + ... + 8521.

It is an arithmetic number, because the mean of its divisors is an integer number (6054061).

Almost surely, 2^35725321 is an apocalyptic number.

It is an amenable number.

35725321 is a deficient number, since it is larger than the sum of its proper divisors (599045).

35725321 is an frugal number, since it uses more digits than its factorization.

35725321 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9723 (or 9662 counting only the distinct ones).

The product of its digits is 6300, while the sum is 28.

The square root of 35725321 is about 5977.0662536064. The cubic root of 35725321 is about 329.3507928325.

It can be divided in two parts, 35725 and 321, that added together give a triangular number (36046 = T₂₆₈).

The spelling of 35725321 in words is "thirty-five million, seven hundred twenty-five thousand, three hundred twenty-one".