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70025701 is a prime number
BaseRepresentation
bin1000010110010…
…00000111100101
311212202200012111
410023020013211
5120411310301
610540521021
71510131364
oct413100745
9155680174
1070025701
1136589389
121b550171
131167a435
14942b7db
156233551
hex42c81e5

70025701 has 2 divisors, whose sum is σ = 70025702. Its totient is φ = 70025700.

The previous prime is 70025699. The next prime is 70025707. The reversal of 70025701 is 10752007.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 68973025 + 1052676 = 8305^2 + 1026^2 .

It is a cyclic number.

It is not a de Polignac number, because 70025701 - 21 = 70025699 is a prime.

Together with 70025699, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (70025707) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 35012850 + 35012851.

It is an arithmetic number, because the mean of its divisors is an integer number (35012851).

Almost surely, 270025701 is an apocalyptic number.

It is an amenable number.

70025701 is a deficient number, since it is larger than the sum of its proper divisors (1).

70025701 is an equidigital number, since it uses as much as digits as its factorization.

70025701 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 490, while the sum is 22.

The square root of 70025701 is about 8368.1360529093. The cubic root of 70025701 is about 412.1789624537.

Adding to 70025701 its reverse (10752007), we get a palindrome (80777708).

The spelling of 70025701 in words is "seventy million, twenty-five thousand, seven hundred one".