705509253 has 12 divisors (see below), whose sum is σ = 1051942528. Its totient is φ = 455167080.

The previous prime is 705509251. The next prime is 705509261. The reversal of 705509253 is 352905507.

It is not a de Polignac number, because 705509253 - 2¹ = 705509251 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 (705509251) 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, 1264075 + ... + 1264632.

Almost surely, 2^705509253 is an apocalyptic number.

It is an amenable number.

705509253 is a deficient number, since it is larger than the sum of its proper divisors (346433275).

705509253 is a wasteful number, since it uses less digits than its factorization.

705509253 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2528744 (or 2528741 counting only the distinct ones).

The product of its (nonzero) digits is 47250, while the sum is 36.

The square root of 705509253 is about 26561.4241523304. The cubic root of 705509253 is about 890.2272924509.

The spelling of 705509253 in words is "seven hundred five million, five hundred nine thousand, two hundred fifty-three".