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1050040657 is a prime number
BaseRepresentation
bin111110100101100…
…101100101010001
32201011211120222201
4332211211211101
54122302300112
6252110003201
735010125011
oct7645454521
92634746881
101050040657
114997a20a6
122537a6501
1313970ac43
149d655c41
15622b8257
hex3e965951

1050040657 has 2 divisors, whose sum is σ = 1050040658. Its totient is φ = 1050040656.

The previous prime is 1050040639. The next prime is 1050040661. The reversal of 1050040657 is 7560400501.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 548683776 + 501356881 = 23424^2 + 22391^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-1050040657 is a prime.

It is a super-2 number, since 2×10500406572 = 2205170762705983298, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (1050040637) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 525020328 + 525020329.

It is an arithmetic number, because the mean of its divisors is an integer number (525020329).

Almost surely, 21050040657 is an apocalyptic number.

It is an amenable number.

1050040657 is a deficient number, since it is larger than the sum of its proper divisors (1).

1050040657 is an equidigital number, since it uses as much as digits as its factorization.

1050040657 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 4200, while the sum is 28.

The square root of 1050040657 is about 32404.3308370965. The cubic root of 1050040657 is about 1016.4094752572.

The spelling of 1050040657 in words is "one billion, fifty million, forty thousand, six hundred fifty-seven".