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40725701 is a prime number
BaseRepresentation
bin1001101101011…
…0110011000101
32211122002011022
42123112303011
540411210301
64012520525
71003106552
oct233266305
984562138
1040725701
1120a96905
1211780145
13858bc63
1455a1a29
153896d1b
hex26d6cc5

40725701 has 2 divisors, whose sum is σ = 40725702. Its totient is φ = 40725700.

The previous prime is 40725697. The next prime is 40725703. The reversal of 40725701 is 10752704.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 27772900 + 12952801 = 5270^2 + 3599^2 .

It is a cyclic number.

It is not a de Polignac number, because 40725701 - 22 = 40725697 is a prime.

Together with 40725703, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (40725703) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 20362850 + 20362851.

It is an arithmetic number, because the mean of its divisors is an integer number (20362851).

Almost surely, 240725701 is an apocalyptic number.

It is an amenable number.

40725701 is a deficient number, since it is larger than the sum of its proper divisors (1).

40725701 is an equidigital number, since it uses as much as digits as its factorization.

40725701 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1960, while the sum is 26.

The square root of 40725701 is about 6381.6691390262. The cubic root of 40725701 is about 344.0510250839.

The spelling of 40725701 in words is "forty million, seven hundred twenty-five thousand, seven hundred one".