70025 has 6 divisors (see below), whose sum is σ = 86862. Its totient is φ = 56000.
The previous prime is 70019. The next prime is 70039. The reversal of 70025 is 52007.
70025 = T62 + T63 + ... + T86.
It can be written as a sum of positive squares in 3 ways, for example, as 4489 + 65536 = 67^2 + 256^2 .
It is not a de Polignac number, because 70025 - 24 = 70009 is a prime.
It is a Duffinian number.
It is a plaindrome in base 16.
It is a junction number, because it is equal to n+sod(n) for n = 69991 and 70009.
It is an unprimeable number.
It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1376 + ... + 1425.
It is an arithmetic number, because the mean of its divisors is an integer number (14477).
270025 is an apocalyptic number.
It is an amenable number.
70025 is a deficient number, since it is larger than the sum of its proper divisors (16837).
70025 is a wasteful number, since it uses less digits than its factorization.
70025 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 2811 (or 2806 counting only the distinct ones).
The product of its (nonzero) digits is 70, while the sum is 14.
The square root of 70025 is about 264.6223724480. The cubic root of 70025 is about 41.2177587061.
It can be divided in two parts, 7002 and 5, that added together give a palindrome (7007).
The spelling of 70025 in words is "seventy thousand, twenty-five".
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