70282513 has 6 divisors (see below), whose sum is σ = 81757266. Its totient is φ = 60242112.

The previous prime is 70282493. The next prime is 70282519. The reversal of 70282513 is 31528207.

It can be written as a sum of positive squares in only one way, i.e., 56205009 + 14077504 = 7497^2 + 3752^2 .

It is not a de Polignac number, because 70282513 - 2²¹ = 68185361 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (70282519) 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, 717120 + ... + 717217.

It is an arithmetic number, because the mean of its divisors is an integer number (13626211).

Almost surely, 2^70282513 is an apocalyptic number.

It is an amenable number.

70282513 is a deficient number, since it is larger than the sum of its proper divisors (11474753).

70282513 is a wasteful number, since it uses less digits than its factorization.

70282513 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1434351 (or 1434344 counting only the distinct ones).

The product of its (nonzero) digits is 3360, while the sum is 28.

The square root of 70282513 is about 8383.4666457260. The cubic root of 70282513 is about 412.6822222767.

The spelling of 70282513 in words is "seventy million, two hundred eighty-two thousand, five hundred thirteen".