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1025435051 = 4125010611
BaseRepresentation
bin111101000111101…
…110010110101011
32122110112111102222
4331013232112223
54100002410201
6245430344255
734261024364
oct7507562653
92573474388
101025435051
11486916593
122474bb08b
131345a4404
149a28cb6b
156005791b
hex3d1ee5ab

1025435051 has 4 divisors (see below), whose sum is σ = 1050445704. Its totient is φ = 1000424400.

The previous prime is 1025434987. The next prime is 1025435083. The reversal of 1025435051 is 1505345201.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 1025435051 - 26 = 1025434987 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 1025435051.

It is not an unprimeable number, because it can be changed into a prime (1025435351) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 12505265 + ... + 12505346.

It is an arithmetic number, because the mean of its divisors is an integer number (262611426).

Almost surely, 21025435051 is an apocalyptic number.

1025435051 is a deficient number, since it is larger than the sum of its proper divisors (25010653).

1025435051 is an equidigital number, since it uses as much as digits as its factorization.

1025435051 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25010652.

The product of its (nonzero) digits is 3000, while the sum is 26.

The square root of 1025435051 is about 32022.4148214965. The cubic root of 1025435051 is about 1008.4074667410.

The spelling of 1025435051 in words is "one billion, twenty-five million, four hundred thirty-five thousand, fifty-one".

Divisors: 1 41 25010611 1025435051